Known sourcecanonical
"Wherever God erects a house of prayer, The Devil always builds a chapel there; And 't will be found, upon examination, The latter has the largest congregation."
Daniel Defoe / The True-Born Englishman. Part i. Line 1.
The True-Born Englishman. Part i. Line 1.
Bartlett's Familiar Quotations, 9th ed. (Little, Brown, 1905), public domain