For a man to conquer himself is the first and noblest of all victories.

If the head and the body are to be well, you must begin by curing the soul.

Human behavior flows from three main sources: desire, emotion, and knowledge.

Courage is knowing what to fear.

Thinking is the soul talking to itself.

Only the dead have seen the end of war.

The wise man will want to be ever with him who is better than himself.

A tyrant... is always stirring up some war or other, in order that the people may require a leader.

The purpose of education is to give to the body and to the soul all the beauty and all the perfection of which they are capable.

The right question is usually more important than the right answer.

The most effective kind of education is that a child should play amongst lovely things.

There should exist among the citizens neither extreme poverty nor again excessive wealth, for both are productive of great evil.

There is nothing so delightful as the hearing, or the speaking of truth. For this reason, there is no conversation so agreeable as that of the man of integrity, who hears without any intention to betray, and speaks without any intention to deceive.

You ought not to heal the body without the soul, for this is the great error of our day in treating the human body.

The life which is not examined is not worth living.

Someday, in the distant future, our grandchildren's grandchildren will develop a new equivalent of our classrooms. They will spend many hours in front of boxes with fires glowing within. May they have the wisdom to know the difference between light and knowledge.

The essence of knowledge is self-knowledge.

Never discourage anyone who continually makes progress, no matter how slow... even if that someone is yourself!

Can any man be courageous who has the fear of death in him?

Don't force your children into your ways, for they were created for a time different from your own.

Don't quarrel with your parents even if you are on the right.

Self conquest is the greatest of victories.

Education in music is most sovereign because more than anything else rhythm and harmony find their way to the innermost soul and take strongest hold upon it.