You ought to choose both physician and friend, not the most agreeable, but the most useful.

First tell yourself what you want to be, then do what you need to do.

Contentment, as it is a short road and pleasant, has great delight and little trouble.

There is only one way to happiness and that is to cease worrying about things which are beyond the power of our will.

It is not so much what happens to you as how you think about what happens." Epictetus

We ought to flee the friendship of the wicked, and the enmity of the good.

It was the first and most striking characteristic of Socrates never to become heated in discourse, never to utter an injurious or insulting word -- on the contrary, he persistently bore insult from others and thus put an end to the fray.