Cecil Torr (1857-1928), Small Talk at Wreyland. Third Series
(Cambridge: At the University Press, 1923), p. 34:
There was a Professor at Oxford at whose blunders people laughed, forgetting that his blunders were only a by-product of a large output of learning. But once, when I was joining others in the laugh, we were all reduced to silence by a question from a friend of his, "Do any of you know of any other man in England who would sit for two hours up to his neck in a Syrian sewer in order to copy an inscription?"