Moly to Holly

8/9/2019 Moly to Holly

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A Quick Tour

of Logos

The Logical Appea



So what exactly is logic? Who

cares?Informally, logic is about saying things that makesense. ou can think of it in that way if you like!

"It#s pretty sunny to$ay, so you shoul$ wear sunscreen!%

&ormally, logic is the art of arguing ' notlike a (ght or $ebate, but by using the

information we alrea$y know to $rawnew an$ useful conclusions!

"If it#s sunny to$ay, you shoul$ wear sunscreen!In$ee$ it is sunny to$ay!

Therefore, you shoul$ wear sunscreen!%



")ut wait! That *ust looke$ like the exact

same thing you sai$ before, you hack!%

Well, yes! )ut that#s how an argument looks i

form+ ou can break $own any argument intothat makes it easier to think about!

If it#s sunny to$ay, you shoul$ wear sunscree

It is sunny to$ay! -------------------------------------------

Therefore, you shoul$ wear sunscreen!

.remises/gi0ens

1onclusion

2.remises always come (rst, an$ the conclusion always c



4ow about a more complex

argument?5! This piece of fresh fruit is fu66y!

7! It also has see$s!

8! If a fruit is fu66y, it#s either a kiwi or a peach!9! .eaches ha0e a pit they $on#t ha0e see$s!

:! So the fruit can#t be a peach!

;! So the fruit must be a kiwi!

Which of the abo0e sentences is a conclusion?



4ow about a more complex

argument?5! This piece of fresh fruit is fu66y!

7! It also has see$s!

8! If a fruit is fu66y, it#s either a kiwi or a peach!9! .eaches ha0e a pit they $on#t ha0e see$s!



<oo$ logic lets us cobble together lots of $i=erent pieces of information, an$ tell from

them what#s probably or defnitely true.



)ut what counts as "goo$

logic%? That argument was goo$ 2ma$e sense3, becausethe conclusion followe$ from the premises! We#llsee what this means in a moment!

Why $on#t we look at a bad argument?




logic%?Some people ha0e fallen o= cli=s an$ li0e$!

Therefore, if I *ump o= this cli=, I will $e(nitely be (

"1ome on!What coul$possibly gowrong?%




logic%?Some people ha0e fallen o= cli=s an$ li0e$!


This argument is weak! Although the premise iit#s easy to think of ways 20ery painful ways3 t

conclusion coul$ be false! The easiest way tologic is to $o *ust that> try to think of another

2.hilosophers call these counterexamples3!




logic%?Let#s look at two kin$s of arguments!

1. e$ucti0e reasoning>

All interns can breathe (re! So .hilipcan breathe (re!

Is there a piece of the pu66le missing?






All interns can breathe (re! .hilip is anintern! So .hilip can breathe (re!

Sometimes you may encounter "hi$$en% statan$ i$eas, which the writer sneaks in but $oesay outright!






All interns can breathe (re! .hilip isan intern! So .hilip can breathe(re!

Are the premises true?If so, then the conclusion#s100% guaranteed true!@o getting aroun$ it+





2. In$ucti0e reasoning>

I touche$ a sto0e an$ it burne$ me! I $i$ this(fty times, an$ the same thing happene$! So

thenext time I touch the sto0e, it will burn me!

Are the premises true?If so, then the conclusion#s probably true! There mightstill be exceptions!

LIB W4AT?



4ow is this useful to me?

Like Cr! Corgan sai$, the ability to makestrong logical arguments will become more

an$ more important later on in high schoolan$ college!

.athos an$ ethos are still 0aluable+ )ut

your au$ience will be a lot better atDuestioning them! Logos is han$y because,if you use it well, it can#t really be$ispro0e$!




)ut e0en better is the superpower to spotweak logic!

@ext time you watch TE or go online 2withyour parents# permission, of course3, try tokeep track of how many $i=erent argumentsare being pitche$ to you by a$s! 4ow muchinfo is gi0en to you? 4ow much is left out?



What time is it?

A$0enF wait, no! Acti0ity time+

.air o= into groups of four! Bach group will recei0e an eof a poor argument 2these may be either in$ucti0e or $

With your group, you will ha0e : minutes to try to comone counterexample F one way in which the argumecoul$ be wrong, e0en if the premises are $e(nitely true.oke it full of holes+

Also, choose a group representati0e to tell us your reas

2It#s G to imagine unlikely or weir$ explanations$on#t be afrai$ to think outsi$e the box!G$$ly enough, logic has 0ery little to $o with facts!3



Some examples>

ARGU!"#$ "I pulle$ an allFnighter stu$ying for last weetest, an$ I en$e$ up with an A! Tire$ness must make me

&U"#!R$ What if you got an A because you actually stGr maybe the test was going to be easy for you all along

ARGU!"#$ "If I play with a$#s power tools, he#ll yell at

)ut a$ is yelling at me for something! So I guess I musplaye$ with the power tools!%

&U"#!R$ What if he#s yelling at you for a $i=erent reasscratching the car, or hammerFthrowing the cat onto the



John Keats



"To Autumn" is a poem by EnglishRomantic poet John Keats (31

October 1795 – 23 ebr!ary 121#$

http://en.wikipedia.org/wiki/Poetry

http://en.wikipedia.org/wiki/Romanticism

http://en.wikipedia.org/wiki/John_Keats






"%o &!t!mn" is the 'inal or) in agro!p o' poems )non as

Keats*s "119 o+es"$

http://en.wikipedia.org/wiki/John_Keats's_1819_odes




"%o &!t!mn" is a poem o' threestan,as- each o' ele.en lines$ /ritten

in 119- the str!ct!re is that o' ano+al hymn- ha.ing three clearly

+e'ine+ sections correspon+ing to the0lassical +i.isions o' strophe-

antistrophe- an+ epo+e

http://en.wikipedia.org/wiki/Ode

http://en.wikipedia.org/wiki/Strophe

http://en.wikipedia.org/wiki/Antistrophe

http://en.wikipedia.org/wiki/Epode







%he imagery is richly achie.e+

thro!gh the personi'ication o' &!t!mn

http://en.wikipedia.org/wiki/Personification




Poem



eason o' mists an+ mello 'r!it'!lness-



Close bosom-friend of the maturingsun;



Conspiring with him how to load and bless

With f it th i th t d th th t h



With fruit the vines that round the thatch-evesrun;



%o ben+ ith apples the moss*+ cottage

trees-

A d fill ll f it ith i t th



And fill all fruit with ripeness to thecore;

%o sell the go!r+ an+ pl!mp the ha,el



%o sell the go!r+- an+ pl!mp the ha,elshells

/ith t ) l t t b ++i



/ith a seet )ernel to set b!++ingmore-



&n+ still more- later 'loers 'or the bees-



4ntil they thin) arm +ays ill ne.er cease-

For ummer has o!er brimm!d their clamm"



For ummer has o er-brimm d their clamm"cells#



/ho hath not seen thee o't ami+ thy store

ometimes hoe.er see)s abroa+ may



ometimes hoe.er see)s abroa+ may'in+



%hee sitting careless on a granary 'loor-

%hy hair so't li'te+ by the innoing



%hy hair so'tli'te+ by the innoingin+

Or on a hal' reap6+ '!rro so!n+



Or on a hal'reap + '!rro so!n+asleep-



rose+ ith the '!me o' poppies- hile thy hoo)

pares the ne8t sath an+ all its tin+



pares the ne8t sath an+ all its tin+'loers:



&n+ sometimes li)e a gleaner tho! +ost )eep

tea+y thy la+en hea+ across a



tea+y thy la+en hea+ across abroo)

$r b" a c"der-press% with patient loo&%



" " p % p %

%ho! atchest the last oo,ings- ho!rs by



g yho!rs$

/here are the songs o' pring &y here are



/here are the songs o' pring &y- here arethey

%hi ) t ' th th h t th i t



%hin) not o' them- tho! hast thy m!sic too-;

/hil b + l + bl th 't + i +



/hile barr+ clo!+s bloom the so't+ying +ay

&n+ to!ch the st!bbleplains ith rosyh!e



h!e

%hen in a ail'!l choir the small gnats mo!rn



Among the river-sallows% bornel ft



aloft

r sin&ing as the light wind lives or



g gies;

sin)ing

&n+ '!ll gron lambs lo!+ bleat 'rom hilly bo!rn



&n+ '!llgron lambs lo!+ bleat 'rom hilly bo!rn

<e+gecric)ets sing an+ no ith treble so't



g g

%he re+breast histles 'rom a gar+encro't



cro't

n ga er ng sa os er n es)ies$







E.erything =o! /ante+ to Kno

About Writing Async,

1oncurrent 4TT. Appsin Ha0a



&gen+a

>ostly this:



&gen+a

&n+ this:



&gen+a

&n+ this:



&bo!t yo!r spea)er

I * b a r uc h

g i t h u b !c o m

/ * b a r u c h link$!in/*baruch

stacko0erJow!com/users/9K7K:8

/h t



/hat rog

/h t



/hat rog

/h t



/hat rog

/h t



/hat rog





eDuirements



eDuirements

' parallel (le ownloa$s

' .arallel (le parts

' interrupt/pause/resume

' .rogress e0ents

' 1hecksums caching



irst &ssociation 'or ?conc!rrent

+onloa+er@













Ha0a net urlconnection



Ha0a!net!urlconnection

5! Cemory wasteful 2bu=ering3

7! Cinimal A.I

8! )locking streams



What weMre looking for



What we re looking for

5! Async/nonFblocking

7! B0ent callbacks

What is IT going to take



What is IT going to take

5! eactor

7! nio

/elcome to the reactor



/elcome to the reactor

' pattern for lightweight

concurrency



concurrency

' B0ent $ri0en

' Threa$s reuse

' Nses nonFblocking Io

Original pattern



Original pattern

http:DD$+re$.an+erbilt$e+!Dschmi+tDFDreactor

siemens p+'

G!ess the a!thor by the +iagram



y g

http:DDgee cs osego e+!D+lDcpBsli+e



In Java,Reactor meansNIO

elector as a m!ltiple8er



p

Ja.a .ersion Registering



g g

SocketChannel channel= SocketChannel.open();

socketChannel.connect(new

InetSocketAddress("http://remote.com",

80));

...

Selector selector = Selector.open();

channel.configureBlocking(false);

SelectionKey k = channel.register(selector,SelectionKey.OP_READ);

k.attach(handler);

Ja.a .ersion ispatcher



p

while (!Thread.interrupted()) {

selector.select();

Set selected = selector.selectedKeys();

Iterator it = selected.iterator();while (it.hasNext())

SelectionKey k = (SelectionKey)

(it.next();

((Runnable)(k.attachment())).run(); selected.clear();

}

4an$ling reactor e0ents iscomplex



complex

'@ee$ to maintain state

')u=ering ' assembling

chunks

'1oor$inating async e0ents



@io libraries



'Cost of them are ser0ers'@etty, gri66ly, etc!

'Apache Cina'Apache 4TT. components

asyncclient'@ing http client



'1lient an$ ser0er nio library

'B0ol0e$ from netty'Latest release Gctober 7K57



@io libraries





Hing6s async http client









try 2Async4ttp1lient async4ttp1lient O new Async4ttp1lient233 P Listenable&utureesponseR future Oasync4ttp1lient!prepare<et2 "http://oss.jfrog.org/api/system/ping"3!execute2

A 1 l ti 4 $l 23 P



new Async1ompletion4an$leresponseR23 P

G0erri$e public esponse on1omplete$2esponse response3 P System!out !println2response!getesponse)o$y233 return response

G0erri$e public void onThrowable2Throwable t3 P t!printStackTrace23 3 esponse response O future!get23



4A1 1oncepts



'eDuest pro$ucer'esponse consumer

try (CloseableHttpAsyncClient asyncHttpClient = HttpAsyncClients.createDefault()) {asyncHttpClient.start();Future<HttpResponse> future = asyncHttpClient.execute(

HttpAsyncMethods.createet("http://oss.jfrog.org/api/system/ping")!new AsyncByteConsumer<HttpResponse>() {



"#$errideprotected void onResponseRecei$ed(final HttpResponse response) {

%yste&.out.println(response.'et%tatusine().'etReasonhrase());*

"#$errideprotected void onByteReceived(final Char+u,,er bu,! final -#Control ioctrl) { *

"#$errideprotected void releaseResources() { *

"#$errideprotected HttpResponse buildResult(final HttpContext context) {

return (HttpResponse) context.'etAttribute("http.response");*

*! null);HttpResponse response = future.get();

*



0hoosing beteen ning an+ httpasyncclient



All problems in computer



science can be sol0e$ byanother le0el of in$irection

a0i$

Wheeler

pulic interface "ttp#rovider$ownload"andler {



void onResponseRecei$ed(int statusCode! Map<%trin'!ist<%trin'>> headers);

oolean on+ytesRecei$ed(+yte+u,,er bu,);

void onFailed(/hro0able error);

void onCanceled();

void onCo&pleted();*



Fer'ormance



http:DDblogs$atlassian$comD213D7Dhttpclientper'orm

R'c2L1L: a !ni.erse o' its on





0on'!se+



J!st rea+ some stac)o.er'lo(an+ impro.e yo!r rep as yo! go#



And that onefor

discoveringthat range



header is loston redirect

M!estionC



/hat sho!l+be contentlength hen

!singcompression







https:DDgith!b$comDhttp2Dhttp2specDiss!esDL

M!estionC



/hy hen re+irecte+ to 0Hall the ch!n)s start 'rom ,ero

HttpAsyncClient+uilder builder = HttpAsyncClients.custo&();11 add redirect strate'y that copies 2ran'e2 headers! i, existuilder.setRedirect%trategy(ne0 $efaultRedirect%trategy() {

"#$erride



"public Http3riRe4uest 'etRedirect(HttpRe4uest re4uest! HttpResponse

response! HttpContext context)Http3riRe4uest redirectRe4uest = super.'etRedirect(re4uest!

response! context);11 copy 2Ran'e2 headers! i, existHeader56 ran'eHeaders = re4uest.'etHeaders(HttpHeaders.RA78);

i, (ran'eHeaders 9= null) {,or (Header header : ran'eHeaders) {

redirectRe&uest.add"eader(header);*

*return redirectRe4uest;

**);

M!estionC



<o many sim!ltaneo!sconnections sho!l+ N

open









M!estionC

/h t6



/hat6srong ith

the'olloing

co+e

bli t ti t i



public static tringenco+e4rl(tring !rltr# 4RAEnco+er$encode(!rltr-.TF-/# $$$P

eco+e+ 4RAs cannot bereenco+e+ to the same 'orm



http:11exa&ple.co&14uery=ab==c

Cannot be decoded bac a,ter it0as encoded:

http

:11exa&ple.co&14uery=a?@b==c

on6t !se Ba.a$net$4RAEnco+er

?4tilit l ' <%>A '

http://example.com/?query=a&b==c








?4tility class 'or <%>A 'ormenco+ing$ %his class containsstatic metho+s 'or con.erting a

tring to the application/x-www-form-urlencoded >N>E'ormat$

or more in'ormation abo!t <%>A'orm enco+ing- cons!lt the <%>Aspeci'ication$@

&<0 &lternati.es





M!estionC

< + N



<o +o Nclose a

soc)etcorrectly

<o har+ can it be to close a soc)et





<al'close+: no ne c!stomers



He.er bloc) in soc)et close(#

%he other si+e e8pects



%he other si+e e8pectsyo! to clean !p nicely

Nt ill gi.e !p on time o!t

=o! ill ait ('ore.er#



Remember



M!estionC

<o can N



<o can Nrite 'ile partsconc!rrently

' Write to separate (les,combine on (nish

Write to same (le seeking to



' Write to same (le, seeking tothe right position





4E ile0hannel

Nmplements %eeable+yteChannel



Nmplements %eeable+yteChannel

a$a.nio.channels.'ileChannelBwrite( a$a.nio.+yte+u,,er src!lon' position)

+onloa+ progress trac)ing



ersistentileFrogressNn'o

a.e the total si,e- sha1- n!mber o' parts

tate o' each part (o''set- si,e- complete+$$$#

ileFrogressNn'o

ileFartFrogressNn'oQ

ile Aoc)ing



&ile locking Le0els

'EC le0el



EC le0el'GS le0el



Fileoc loc ,ileChannel tr oc()

O Ae.el ile Aoc)ing E8cl!si.e



Fileoc loc = ,ileChannel.tryoc(); 11onshared: (!on'.MADEA38! false)

if (loc == null) {

throw new#$erlappin'Fileoc8xception(); * return loc;*

private Fileoc loc(FileChannel ,ileChannel) throws

O Ae.el ile Aoc)ing – &+.isory e8cl!si.e



private Fileoc loc(FileChannel ,ileChannel) throws-#8xception { Fileoc loc =,ileChannel.tryoc(on'. MAX_VALUE G ! ! false);

if (loc == null) { throw new #$erlappin'Fileoc8xception(); * return loc;*

/%C

I> Ae.el ile Aoc)ing



EC Le0el &ile Locking

' .re0ent same EC threa$s writing tothe (le when we starte$ closing it



g

' 1losing seDuence>

' elease (le locks

' 1lose channels

' ename a (le to it#s (nal name2remo0e !part3

' Brase progress info

I> Ae.el ile Aoc)ingReentrantReadIriteoc.Readoc write*o'ile+oc, =

r0l.readoc();ReentrantReadIriteoc.Iriteoc close'ile+oc, =



r0l.0riteoc();

public $oid close() thro0s -#8xception {

this.close'ile+oc,.loc,();*

public int 0rite(int part-ndex! +yte+u,,er bu,) { i, (9this.write*o'ile+oc,.try+oc,()) {

thro0 ne0 -lle'al%tate8xception(2File isbein' closed2); * ...*

/hat6s ne8t



http/7

' Costly stan$ar$i6ing <oogle#ssp$y



p y

' 4ea$er compression

' multiplexing' .rioriti6ation

' Ser0er push

' Gn the way clear some stu= ' B!g! compresse$ content length

Ease the loa+



Ain)sC

R%>: R0 2L1L4lti t b ) *TTP Th , fi iti 1 id

http://www.w3.org/Protocols/rfc2616

http://www.w3.org/Protocols/rfc2616



4ltimate boo): *TTP0 The ,efinitive 1uide

&ma,on

a'ari

Reactor pattern

o!g Aea on HNO

http://www.amazon.com/HTTP-The-Definitive-Guide-Guides/dp/1565925092

http://www.safaribooksonline.com/library/view/http-the-definitive/1565925092/

http://jeewanthad.blogspot.co.il/2013/02/reactor-pattern-explained-part-1.html

http://gee.cs.oswego.edu/dl/cpjslides/nio.pdf

http://gee.cs.oswego.edu/dl/cpjslides/nio.pdf

http://jeewanthad.blogspot.co.il/2013/02/reactor-pattern-explained-part-1.html

http://www.safaribooksonline.com/library/view/http-the-definitive/1565925092/

http://www.amazon.com/HTTP-The-Definitive-Guide-Guides/dp/1565925092



A Quick Tour



A Quick Tourof Logos

The Logical Appea

So what exactly is logic? Whocares?

Informally, logic is about saying things that makesense. ou can think of it in that way if you like!



"It#s pretty sunny to$ay, so you shoul$ wear sunscreen!%

&ormally, logic is the art of arguing ' not like a (ghtor $ebate, but by using the information we alrea$yknow to $raw new an$ useful conclusions!

"If it#s sunny to$ay, you shoul$ wear sunscreen!In$ee$ it is sunny to$ay! Therefore, you shoul$ wear sunscreen!%

")ut wait! That *ust looke$ like the exactsame thing you sai$ before, you hack!%

Well yes )ut that#s how an argument looks i



Well, yes! )ut that s how an argument looks iform+ ou can break $own any argument intothat makes it easier to think about!

If it#s sunny to$ay, you shoul$ wear sunscree

It is sunny to$ay! -------------------------------------------

Therefore, you shoul$ wear sunscreen!

.remises/gi0ens

1onclusion

2.remises always come (rst, an$ the conclusion always c

4ow about a more complexargument?

5! This piece of fresh fruit is fu66y!7! It also has see$s!



8! If a fruit is fu66y, it#s either a kiwi or a peach!

9! .eaches ha0e a pit they $on#t ha0e see$s!



Which of the abo0e sentences is a conclusion?

4ow about a more complexargument?

5! This piece of fresh fruit is fu66y!7! It also has see$s!



8! If a fruit is fu66y, it#s either a kiwi or a peach!

9! .eaches ha0e a pit they $on#t ha0e see$s!



<oo$ logic lets us cobble together lots of $i=erent pieces of information, an$ tell from

them what#s probably or defnitely true.

)ut what counts as "goo$ logic%?

That argument was goo$ 2ma$e sense3, becausethe conclusion followe$ from the premises! We#llsee what this means in a moment!



see what this means in a moment!

Why $on#t we look at a bad argument?


Some people ha0e fallen o= cli=s an$ li0e$!

Therefore if I *ump o= this cli= I will $e(nitely be (




"1ome on!

What coul$possibly gowrong?%


Some people ha0e fallen o= cli=s an$ li0e$!

Therefore if I *ump o= this cli= I will $e(nitely be (




This argument is weak! Although the premise iit#s easy to think of ways 20ery painful ways3 tconclusion coul$ be false! The easiest way tologic is to $o *ust that> try to think of another

2.hilosophers call these counterexamples3!


Let#s look at two kin$s of arguments!1. e$ucti0e reasoning>




All interns can breathe (re! So .hilipcan breathe (re!

Is there a piece of the pu66le missing?






All interns can breathe (re! .hilip is anintern! So .hilip can breathe (re!

Sometimes you may encounter "hi$$en% statan$ i$eas, which the writer sneaks in but $oe

say outright!





g

All interns can breathe (re! .hilip isan intern! So .hilip can breathe(re!

Are the premises true?If so, then the conclusion#s

100% guaranteed true!@o getting aroun$ it+


Let#s look at two kin$s of arguments!2. In$ucti0e reasoning>



I touche$ a sto0e an$ it burne$ me! I $i$this

(fty times, an$ the same thing happene$!

So thenext time I touch the sto0e, it will burn me!

Are the premises true?If so, then the conclusion#s

probably true! There mightstill be exceptions! LIB W4AT?


Like Cr! Corgan sai$, the ability to makestrong logical arguments will become more



strong logical arguments will become morean$ more important later on in high schoolan$ college!

.athos an$ ethos are still 0aluable+ )utyour au$ience will be a lot better atDuestioning them! Logos is han$y because,if you use it well, it can#t really be$ispro0e$!


)ut e0en better is the superpower to spotweak logic!



@ext time you watch TE or go online 2withyour parents# permission, of course3, try to

keep track of how many $i=erent argumentsare being pitche$ to you by a$s! 4ow muchinfo is gi0en to you? 4ow much is left out?

What time is it?

A$0enF wait, no! Acti0ity time+.air o= into groups of four! Bach group will recei0e an e



g p g pof a poor argument 2these may be either in$ucti0e or $

With your group, you will ha0e : minutes to try to comone counterexample F one way in which the argumecoul$ be wrong, e0en if the premises are $e(nitely true.oke it full of holes+Also, choose a group representati0e to tell us your reas

2It#s G to imagine unlikely or weir$ explanations$on#t be afrai$ to think outsi$e the box!G$$ly enough, logic has 0ery little to $o with facts!3

Some examples>

ARGU!"#$ "I pulle$ an allFnighter stu$ying for last weetest, an$ I en$e$ up with an A! Tire$ness must make me



&U"#!R$ What if you got an A because you actually stGr maybe the test was going to be easy for you all along

ARGU!"#$ "If I play with a$#s power tools, he#ll yell at)ut a$ is yelling at me for something! So I guess I musplaye$ with the power tools!%

&U"#!R$ What if he#s yelling at you for a $i=erent reasscratching the car, or hammerFthrowing the cat onto the



John Keats

"To Autumn" is a poem by EnglishRomantic poet John Keats (31









Romantic poet John Keats (31October 1795 – 23 ebr!ary 121#$

"%o &!t!mn" is the 'inal or) in agro!p o' poems )non as







gro!p o' poems )non asKeats*s "119 o+es"$

"%o &!t!mn" is a poem o' threestan,as- each o' ele.en lines$ /ritten

in 119- the str!ct!re is that o' ano+al hymn- ha.ing three clearly







o+al hymn- ha.ing three clearly+e'ine+ sections correspon+ing to the

0lassical +i.isions o' strophe-antistrophe- an+ epo+e

%he imagery is richly achie.e+th h th i'i ti ' & t













thro!gh the personi'ication o' &!t!mn

Poem





Poem

eason o' mists an+ mello 'r!it'!lness-





Close bosom-friend of the maturingsun;

Conspiring with him how to load and bless



With fruit the vines that round the thatch-evesrun;



%o ben+ ith apples the moss*+ cottagetrees-



And fill all fruit with ripeness to thecore;



%o sell the go!r+- an+ pl!mp the ha,el

shells



/ith a seet )ernel to set b!++ingmore-



&n+ still more- later 'loers 'or the bees-



4ntil they thin) arm +ays ill ne.er cease-



For ummer has o!er-brimm!d their clamm"cells#



/ho hath not seen thee o't ami+ thy store



ometimes hoe.er see)s abroa+ may'in+









rose+ ith the '!me o' poppies- hile thy hoo)



pares the ne8t sath an+ all its tin+'loers:



&n+ sometimes li)e a gleaner tho! +ost )eep



tea+y thy la+en hea+ across a broo)



$r b" a c"der-press% with patient loo&%



%ho! atchest the last oo,ings- ho!rs byho!rs$



/here are the songs o' pring &y- here arethey



%hin) not o' them- tho! hast thy m!sic too-;



/hile barr+ clo!+s bloom the so't+ying +ay



&n+ to!ch the st!bbleplains ith rosy h!e



%hen in a ail'!l choir the small gnats mo!rn



Among the river-sallows% borne

aloft



r sin&ing as the light wind lives ories;sin)ing



&n+ '!llgron lambs lo!+ bleat 'rom hilly bo!rn





%he re+breast histles 'rom a gar+en

cro't



n ga er ng sa os er n e

s)ies$





Date post:	01-Jun-2018
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Moly to Holly

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