It is just as full of propaganda as a dog is full of fleas. In fact, I say it's all fleas and no dog.

-Acheson, Dean Gooderham
Of Russian Foreign Minister Andre Vishinsky's proposal that the US should withdraw from postwar Europe. Quoted in  James B Reston Deadline (1991).

Cave canem! Beware of the dog!

-Anonymous
Famous expression, found in mosaics and inscriptions in Pompeii and other Roman towns. See also Petronius Satyricon, 29.1:  Ad sinistram enim intrantibus non longe ab ostiarii cella canis ingens, catena vinctus, in pariete erat pictus superque quadrata littera scriptum cave canem (For on the left hand as you went in, not far from the porter's office, a great dog on a chain was painted on the wall, and over him was written in large letters:'Beware of the dog'. Translation by W H D Rouse).

If you are not the lead dog, the view never changes.

-Anonymous
Paperweight on the desk of Richard Scott, chief executive officer, Hospital Corp of  America. Quoted in Forbes,10 Oct1994.

Il y aura toujours un chien perdu quelque part qui m'empe"  chera d'e"  tre heureux. There will always be a lost dog somewhere that will prevent me being happy.

-Anouilh,Jean
  La Sauvage, act 3.

Stop all the clocks, cut off the telephone, Prevent the dog from barking with a juicy bone, Silence the pianos and with muffled drum Bring out the coffin, let the mourners come.

-Auden,W(ystan) H(ugh)
  'Stop all the clocks', Collected Poems. Featured in the1994 film Four Weddings and a Funeral.

Diabetus. Ligate pancreatic ducts of dog. Keep dogs alive till acini degenerate leaving Islets. Try to isolate the internal secretion of these to relieve glycosuria.

-Banting, Frederick Grant
  Note scribbled in his journal, 2.00am, 31Oct. This led to the discovery of insulin for the treatment of diabetes, as recorded in Michael Bliss The Discovery of Insulin (1982).

And the Philistine said unto David, Am I a dog, that thou comest to me with staves?

-Bible (Old Testament)
Samuel17:43.

As a dog returneth to his vomit, so a fool returneth to his folly.

-Bible (Old Testament)
Proverbs 26:11.

For to him that is joined to all the living there is hope: for a living dog isbetter thana dead lion.For the living know that they shall die: but the dead know not any thing, neither have they any more a reward; for the memory of them is forgotten.

-Bible (Old Testament)
Ecclesiastes 9:4^5.

The dog is turned to his own vomit again; and the sow that was washed to her wallowing in the mire.

-Bible (NewTestament)
Peter 2:22.

When a dog bites a man, that is not news, because it happens so often. But if a man bites a dog, that is news.

-Bogart,John B
Quoted in F M O'Brien The Story of the Sun (1918), ch.10. The phrase is often attributed to Charles  A Dana.

They go to and fro in the evening: they grin like a dog, and run about through the city.

-Book of Common Prayer
Psalm 59:6.

Love is a Dog from Hell.

-Bukowski, Charles
  Title of book.

They know on the Continent that European football without the English islike a hot dog without themustard.

-Charlton, Sir Bobby (Robert)
  Quoted in Peter Ball and Phil Shaw The Book of Football Quotations (1989). There was at the time a Europeanban inforce against English clubs.

Dog eat dog produces, inevitably, just one dog.

-Cuomo, Mario Matthew
  In the NewYork Times, 31 Dec.

The police dog of American fiction, except that his hatred isnottheresultof mere crabbednessbut of aneye that sees too deep for comfort.

-Fadiman, Clifton
Of US writer Ring Lardner. Quoted in Scott Meredith George S Kaufman and His Friends (1974).

No dog can go as fast as the money you bet on him. Flanagan theirheads, nomatterhowcharming a blufftheymay put up.

-Flanagan, Bud stage name of Robert Winthrop
Quoted in Colin  Jarman The Guinness Dictionary of Sports Quotations (1990). 1934  Tender is the Night, bk.3, ch.12. English  songwriting  team,  who  made  their  name  with  At  the Drop of a Hat (1956).

I would rather have a man dog then a women dog because they do not bear like women dogs, it is a hard case it is shoking.

-Fleming, Marjory
  'Journal 2' in F Sidgwick (ed)  The Complete Marjory Fleming (1934).

Sir, a woman's preaching is like a dog walking on its hinder legs. It is not done well; but you are surprised to find it done at all.

-Johnson, Samuel known as Dr Johnson
  Remark, 31  Jul. Quoted in  James Boswell The Life of Samuel Johnson (1791), vol.1.

I would rather see the portrait of a dog that I know, than all the allegorical paintings they can show me in the world.

-Johnson, Samuel known as Dr Johnson
Quoted in Mrs Piozzi  Anecdotes of the Late Samuel Johnson (1786).