[Examiners] spend their lives in discovering which pages of a text-book a man ought to read and which will not be likely to 'pay'.
in an address to the University of Edinburgh graduates, as quoted by Cargill Gilston Knott (1911). Life and scientific work of Peter Guthrie Tait. Cambridge University Press. p. 11.
The next grand extensions of mathematical physics will, in all likelihood, be furnished by quaternions.Peter Guthrie Tait
Oh, that's nothing – I could coach a coal scuttle to be Senior Wrangler.Peter Guthrie Tait