Quoted in Alexander Macfarlane, Ten British Mathematicians of the Nineteenth Century (1916). "Pure mathematics; may it never be of use to any man!" is cited as the toast of the Mathematical Society of England in Science, 10 Dec. 1886.
Henry John Stephen Smith (1894). “Collected Mathematical Papers; Edited by J. W. L. Glaisher ... with a Mathematical Introduction by the Editor, Biographical Sketchesand a Portrait ...”