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A man's house is his castle.

Argument against the writs of assistance, Boston, Mass., Feb. 1761. Burton Stevenson, Home Book of Proverbs, Maxims and Familiar Phrases (1948), traces the proverb "A man's house is his castle" back to 1567 and notes legal usages of it by Sir Edward Coke in the seventeenth century. See Coke 1; Coke 8; William Pitt, Earl of Chatham 2
A man's house is his castle.