John Bartlett (1820–1905). Familiar Quotations, 10th ed. 1919. Page 946
Diogenes Laërtius. (fl. early 3d cent.) 9111 He said that there was one only good, namely, knowledge; and one only evil, namely, ignorance. Socrates. xiv. 9112 He declared that he knew nothing, except the fact of his ignorance. Socrates. xvi. 9113 Being asked whether it was better to marry or not, he replied, “Whichever you do, you will repent it.” Socrates. xvi. 9114 He used to say that other men lived to eat, but that he ate to live. 1 Socrates. xvi. 9115 Aristippus being asked what were the most necessary things for well-born boys to learn, said, “Those things which they will put in practice when they become men.” Aristippus. iv. 9116 Aristippus said that a wise man’s country was the world. 2 Aristippus. xiii. 9117 Like sending owls to Athens, as the proverb goes. Plato. xxxii. 9118 Plato affirmed that the soul was immortal and clothed in many bodies successively. Plato. xl. 9119 Time is the image of eternity. Plato. xli. 9120 That virtue was sufficient of herself for happiness. 3 Plato. xlii. 9121 That the gods superintend all the affairs of men, and that there are such beings as dæmons. Plato. xlii. 9122 There is a written and an unwritten law. The one by which we regulate our constitutions in our cities is the written law; that which arises from custom is the unwritten law. Plato. li. 9123 Plato was continually saying to Xenocrates, “Sacrifice to the Graces.” 4 Xenocrates. iii.
