Plutarch

Silence at the proper season is wisdom, and better than any speech.

Painting is silent poetry, and poetry is painting that speaks.

I would rather excel in the knowledge of what is excellent, than in the extent of my power and possessions.

The mind is not a vessel to be filled but a fire to be kindled.

Medicine to produce health must examine disease and music, to create harmony must investigate discord.

Do not speak of your happiness to one less fortunate than yourself.

Those who aim at great deeds must also suffer greatly.

It is part of a good man to do great and noble deeds, though he risk everything.

The omission of good is no less reprehensible than the commission of evil.

It were better to have no opinion of God at all than such a one as is unworthy of him for the one is only belief - the other contempt.

To make no mistakes is not in the power of man but from their errors and mistakes the wise and good learn wisdom for the future.

The very spring and root of honesty and virtue lie in good education.

Courage stands halfway between cowardice and rashness, one of which is a lack, the other an excess of courage.

Courage consists not in hazarding without fear but being resolutely minded in a just cause.

I don't need a friend who changes when I change and who nods when I nod my shadow does that much better.

What we achieve inwardly will change outer reality.

The wildest colts make the best horses.