Certain laws have not been written, but they are more fixed than all the written laws.

Solitude and company may be allowed to take their turns: the one creates in us the love of mankind, the other that of ourselves; solitude relieves us when we are sick of company, and conversation when we are weary of being alone, so that the one cures the other. There is no man so miserable as he that is at a loss how to use his time

Loyalty is the holiest good in the human heart.

The greater part of progress is the desire to progress.

To rule yourself is the ultimate power

The worse a person is the less he feels it.

Plato once wanted to punish one of his slaves and asked his nephew to do the actual whipping for he himself did not own his anger.