When he was wounded with an arrow in the ankle, and many ran to him that were wont to call him a god, he said smiling, "That is blood, as you see, an… - Plutarch

These things sensibly affected Theseus, who, thinking it but just not to disregard, but rather partake of, the sufferings of his fellow citizens, offered himself for one without any lot. All else were struck with admiration for the nobleness and with love for the goodness of the act.

Some, too, have made banishment and loss of property a means of leisure and philosophic study, as did Diogenes and Crates. And Zeno, on learning that the ship which bore his venture had been wrecked, exclaimed, “A real kindness, O Fortune, that thou, too, dost join in driving us to the philosopher’s cloak!

There are two sentences inscribed upon the Delphic oracle, hugely accommodated to the usages of man's life: "Know thyself," and "Nothing too much;" and upon these all other precepts depend.