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

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

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.

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

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

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

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

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

No man ever wetted clay and then left it, as if there would be bricks by chance and fortune.

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.