The sweetest and most inoffensive path of life leads through the avenues of science and learning; and whoever can either remove any obstructions in this way, or open up any new prospect, ought so far to be esteemed a benefactor to mankind.
David Hume (1711–1776), Scottish philosopher. Enquiries Concerning the Human Understanding and Concerning the Principles of Morals, sect. 1 ("Of the Different Species of Philosophy"), p. 11, ed. L. Selby-Bigge, M.A., 2nd edition, London, Oxford University Press (1902).