It is not he who reviles or strikes you who insults you, but your opinion that these things are insulting.

The greater the difficulty the more glory in surmounting it. Skillful pilots gain their reputation from storms and tempests.

We are not to give credit to the many, who say that none ought to be educated but the free; but rather to the philosophers, who say that the well-educated alone are free.

Don't be concerned with other people's impressions of you. They are dazzled and deluded by appearances. Stick with your purpose. This alone will strengthen your will and give your life coherence.

To accuse others for one's own misfortunes is a sign of want of education. To accuse oneself shows that one's education has begun. To accuse neither oneself nor others shows that one's education is complete.

It doesn't take much to lose everything, just a little departure from reason

When you want to hear a philosopher, do not say, 'You say nothing to me'; only show yourself worthy or fit to hear, and then you will see how you will move the speaker.