Where did the quote 'a man's home is his castle'come from?

James Otis, Against Writs of Assistance (1761), reprinted in The Annals of America, Encyclopaedia Britannica, Inc. (1976), Volume 2, 1755-1783 Resistance and Revolution selection #15, p 75.

"Now, one of the most essential branches of English liberty is the freedom of one's house. A man's house is his castle; and while he is quiet, he is well guarded as a prince in his castle."