John Bartlett (1820–1905). Familiar Quotations, 10th ed. 1919. Page 950
Diogenes Laërtius. (fl. early 3d cent.) 9154 When asked what he would take to let a man give him a blow on the head, he said, “A helmet.” Diogenes. vi. 9155 Once he saw a youth blushing, and addressed him, “Courage, my boy! that is the complexion of virtue.” 1 Diogenes. vi. 9156 When asked what wine he liked to drink, he replied, “That which belongs to another.” Diogenes. vi. 9157 Asked from what country he came, he replied, “I am a citizen of the world.” 2 Diogenes. vi. 9158 When a man reproached him for going into unclean places, he said, “The sun too penetrates into privies, but is not polluted by them.” 3 Diogenes. vi. 9159 Diogenes said once to a person who was showing him a dial, “It is a very useful thing to save a man from being too late for supper.” Menedemus. iii. 9160 When Zeno was asked what a friend was, he replied, “Another I.” 4 Zeno. xix. 9161 They say that the first inclination which an animal has is to protect itself. Zeno. lii. 9162 One ought to seek out virtue for its own sake, without being influenced by fear or hope, or by any external influence. Moreover, that in that does happiness consist. 5 Zeno. liii. 9163 The Stoics also teach that God is unity, and that he is called Mind and Fate and Jupiter, and by many other names besides. Zeno. lxviii. 9164 They also say that God is an animal immortal, rational, perfect, and intellectual in his happiness, unsusceptible of any kind of evil, having a foreknowledge of the
