“Everything hangs on one’s thinking…a man is as unhappy as he has convinced himself he is.”

“No man is more unhappy than he who never faces adversity. For he is not permitted to prove himself.”

The greater part of progress is the desire to progress.

The good things of prosperity are to be wished, but the good things that belong to adversity are to be admired.

To be able to endure odium is the first art to be learned by those who aspire to power.

He will be the slave of many masters who is his body’s slave.

A man’s ability cannot possibly be of one sort and his soul of another. If his soul be well-ordered, serious and restrained, his ability also is sound and sober. Conversely, when the one degenerates, the other is contaminated.

Not to feel one's misfortunes is not human, not to bear them in not manly.

It is a youthful failing to be unable to control one's impulses.

Delay not swift the flight of fortune's greatest favours.