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

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

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

What we achieve inwardly will change outer reality.

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

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

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

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

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

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

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

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

The wildest colts make the best horses.

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