Those that know, do. Those that understand, teach.

He who has overcome his fears will truly be free.

Knowing yourself is the beginning of all wisdom.

It makes no difference whether a good man has defrauded a bad man, or a bad man defrauded a good man, or whether a good or bad man has committed adultery: the law can look only to the amount of damage done.

For contemplation is both the highest form of activity (since the intellect is the highest thing in us, and the objects that it apprehends are the highest things that can be known), and also it is the most continuous, because we are more capable of continuous contemplation than we are of any practical activity.

If the hammer and the shuttle could move themselves, slavery would be unnecessary.

It is more difficult to organize a peace than to win a war; but the fruits of victory will be lost if the peace is not organized.