Hormones, vitamines, stimulants and depressives are oils upon the creaky machinery of life. Principal item, however, is the machinery. – Martin H. Fischer (1879–1962)

Yet this is health: To have a body functioning so perfectly that when its few simple needs are met it never calls attention to its own existence. – Bertha Stuart Dyment

Man is the sole animal whose nudity offends his own companions, and the only one who, in his natural actions, withdraws and hides himself from his own kind. – Montaigne