The friend must be like money, that before you need it, the value is known.

Nothing is so well learned as that which is discovered.

If I had engaged in politics, O men of Athens, I should have perished long ago, and done no good either to you or to myself.

The cure of many diseases remains unknown to the physicians of Hellos (Greece) because they do not study the whole person.

Fame is the perfume of heroic deeds.

Our lives are but specks of dust falling through the fingers of time. Like sands of the hourglass, so are the days of our lives.

Only the extremely ignorant or the extremely intelligent can resist change.