Orthodoxy is my doxy; Heterodoxy is another mans doxy.
ATTRIBUTION:
I have heard frequent use, said the late Lord Sandwich, in a debate on the Test Laws, of the words orthodoxy and heterodoxy; but I confess myself at a loss to know precisely what they mean. Orthodoxy, my Lord, said Bishop Walburton, in a whisper,orthodoxy is my doxy; heterodoxy is another mans doxy.Priestley: Memoirs, vol. i. p. 572.