However vast the darkness, we must supply our own light.

You live out the confusions until they become clear.

There is no gate, no lock, no bolt that you can set upon the freedom of my mind.

Freedom consists not in doing what we like, but in having the right to do what we ought.

Maybe who we are isn't so much about what we do, but rather what we're capable of when we least expect it.

Knowledge is limited. Imagination encircles the world.

I restore myself when I'm alone. A career is born in public — talent in privacy.

My only advice is to stay aware, listen carefully, and yell for help if you need it.

The best friend is he that, when he wishes a person's good, wishes it for that person's own sake.

The bird a nest, the spider a web, man friendship.

If you are distressed by anything external, the pain is not due to the thing itself, but to your estimate of it.

Enthusiasm is the great hill-climber.