But when Science, passing beyond its own limits, assumes to take the place of Theology, and sets up its own conception of the Order of Nature as a sufficient account of its Cause, it is invading a province of Thought to which it has no claim, and not unreasonably provokes the hostility of those who ought to be its best friends.
Source, in full
Address at a meeting of the British Association for the Advancement of Science held at Brighton in August 1872: Report of the Forty-second Meeting of the British Association for the Advancement of Science (London: John Murray, 1873) p. lxxxiv. Attributed to "M. B. Carpenter" [sic] in Josiah H. Gilbert (ed.) Dictionary of Burning Words of Brilliant Writers (Troy, NY: H. B. Nims and Co, 1883) p. 530