When our friends are present, we ought to treat them well; and when they are absent, to speak of them well.

Let no man think that he is loved by any man when he loves no man.

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

If you wish to live a life free from sorrow, think of what is going to happen as if it had already happened.

Be free from grief not through insensibility like the irrational animals, nor through want of thought like the foolish, but like a man of virtue by having reason as the consolation of grief.

Whoever are least disturbed in mind by calamities, and in act struggle most against them, these are the best men in states and in private life.