Authors:

[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'.

"Life and scientific work of Peter Guthrie Tait". Book by Cargill Gilston Knott, p. 11, 1911.
[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'.