Beyond Good and Evil by Friedrich Wilhelm Nietzsche

235. There are turns and casts of fancy, there are sentences, little

handfuls of words, in which a whole culture, a whole society suddenly crystallises itself. Among these is the incidental remark of Madame de Lambert to her son: "MON AMI, NE VOUS PERMETTEZ JAMAIS QUE DES FOLIES, QUI VOUS FERONT GRAND PLAISIR"--the motherliest and wisest remark, by the way, that was ever addressed to a son.