SURVIVAL n.
Any habit, usage, or belief, remaining from ancient times, the origin of which is often unknown, or imperfectly known. The close bearing of the doctrine of survival on the study of manners and customs. Tylor. Survival of the fittest. (Biol.) See Natural selection, under Natural.
TENET n.
Any opinion, principle, dogma, belief, or doctrine, which a person holds or maintains as true; as, the tenets of Plato or of Cicero. That al animals of the land are in their kind in the sea, . . . is a tenet very questionable. Sir T. Browne. The religious tenets of his family he had early renounced with contempt. Macau…