Be careful to leave your sons well instructed rather than rich, for the hopes of the instructed are better than the wealth of the ignorant. - Epictetus

Consider how we apply the idea of freedom to animals. [25] There are tame lions that people cage, raise, feed and take with them wherever they go. Yet who will call such a lion free? The easier its life, the more slavish it is. No lion endowed with reason and discretion would choose to be one of these pet specimens.

It is better to do wrong seldom and to own it, and to act right for the most part, than seldom to admit that you have done wrong and to do wrong often.

Do you wish to be invincible? Then don’t enter into combat with what you have no real control over. Your happiness depends on three things, all of which are within your power: your will, your ideas concerning the events in which you are involved, and the use you make of your ideas.