All I really know is the extent of my own ignorance

If a man says that it is right to give every one his due, and therefore thinks within his own mind that injury is due from a just man to his enemies but kindness to his friends, he was not wise who said so, for he spoke not the truth, for in no case has it appeared to be just to injure any one.

That politician who curries favor with the citizens and indulges them and fawns upon them and has a presentiment of their wishes, and is skillful in gratifying them, he is esteemed a great statesman.

Not every love, but only that which has a noble purpose, is noble and worthy of praise.

The most virtuous are those who content themselves with being virtuous without seeking to appear so.

The first and the best victory is to conquer self.

Thinking is the soul talking to itself.