“I know Sir John will go, though he was sure it would rain cats and dogs.”
Polite Conversation (1738), Dialogue 2
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Jonathan Swift 141
Anglo-Irish satirist, essayist, and poet 1667–1745Related quotes

1769
Bartlett's Familiar Quotations, 10th ed. (1919), Life of Johnson (Boswell)

Source: The Nine Emotional Lives of Cats (2002), Ch. 3

A Foreword to Krazy (1946)
Context: A humbly poetic, gently clownlike, supremely innocent, and illimitably affectionate creature (slightly resembling a child's drawing of a cat, but gifted with the secret grace and obvious clumsiness of a penguin on terra firma) who is never so happy as when egoist-mouse, thwarting altruist-dog, hits her in the head with a brick. Dog hates mouse and worships "cat", mouse despises "cat" and hates dog, "cat" hates no one and loves mouse.

“If you would know a man, observe how he treats a cat.”
Source: The Door Into Summer (1957), Chapter 1

“I am his Highness' dog at Kew;
Pray tell me, sir, whose dog are you?”
"On the Collar of a Dog".

“It's funny how dogs and cats know the insides of folks better than other folks do, isn't it?”
Pollyanna
Works, Pollyanna (1913)