It belongs to the humanity of a master to warn his pupil about himself.
(Friedrich Nietzsche (1844-1900), German philosopher, classical scholar, critic of culture. Friedrich Nietzsche, Sämtliche Werke: Kritische Studienausgabe, vol. 3, p. 271, eds. Giorgio Colli and Mazzino Montinari, Berlin, de Gruyter (1980). Dawn, "Fifth Book," aphorism 447, "Master and Pupil," (1881).)
Adulterers, take warning, never admit.
(Samuel Beckett (1906-1989), Irish dramatist, novelist. Man, in "Play," one of the dramatic pieces in Cascando, p. 50, Grove Press (1968).)