The love of pleasure and the love of science may coexist, but cannot be indulged at the same time; though in fact they are seldom united. A student should draw his pleasures from the discovery of truth, and find his amusements in the beauties and wonders of nature. He should seek for recreation not debauchery

Physician to the West (p. 298), University Press of Kentucky. Lexington, Kentucky, USA. 1970