Probably Providence has implanted peevishness and ill-temper in sick and old persons, in compassion to the friends or relations who are to survive; as it must naturally lessen the concern they might otherwise feel for their loss.
The Koran: Or, Essays, Sentiments, Characters, and Callimachies, of Tri Juncta in Uno, M.N.A. Or Master of No Arts (ed. 1798)