John Edensor Littlewood Quote
It is true that I should have been surprised in the past to learn that Professor Hardy had joined the Oxford Group. But one could not say the adverse chance was 1:10. Mathematics is a dangerous profession; an appreciable proportion of us go mad, and then this particular event would be quite likely.
Littlewood's Miscellany (ed. Cambridge University Press, 1986) - ISBN: 9780521337021