Is he able, but not willing? Then he is malevolent.

He who needs riches least, enjoys riches most.

The words of that philosopher who offers no therapy for human suffering are empty and vain.

We must meditate on what brings happiness, since when it has, it has everything, and when he misses, we do everything to have it

It is not so much our friends' help that helps us, as the confidence of their help.

It is impossible for someone to dispel his fears about the most important matters if he doesn't know the nature of the universe but still gives some credence to myths. So without the study of nature there is no enjoyment of pure pleasure.

The time when most of you should withdraw into yourself is when you are forced to be in a crowd.