Gravity is only the bark of wisdom's tree; but it preserves it

In a good bookroom you feel in some mysterious way that you are absorbing the wisdom contained in all the books through your skin, without even opening them.

Time flies over us, but leaves its shadow behind.

What can't be cured must be endured.

The difference between stupidity and genius is that genius has its limits.

Strength does not come from physical capacity. It comes from an indomitable will.

Adapt what is useful, reject what is useless, and add what is specifically your own.

Tell the truth. Sing with passion. Work with laughter. Love with heart. 'Cause that's all that matters in the end.

If you don't behave as you believe, you will end by believing as you behave.

The noblest pleasure is the joy of understanding.

What a liberation to realize that the “voice in my head” is not who I am. Who am I then? The one who sees that.

In the practice of tolerance, one's enemy is the best teacher.

In any moment of decision, the best thing you can do is the right thing. The worst thing you can do is nothing.

The trouble with most of us is that we would rather be ruined by praise than saved by criticism.

It is always advisable to perceive clearly our ignorance.

Intelligence is a moral category.

I don't like definitions, but if there is a definition of freedom, it would be when you have control over your reality to transform it, to change it, rather than having it imposed upon you. You can't really ask for more than that.

You don't become what you want, you become what you believe

To do great things is difficult, but to command great things is more difficult.

Great dreams of great dreamers are always transcended.

Do your little bit of good where you are; it's those little bits of good put together that overwhelm the world.