You can be rich in spirit, kindness, love and all those things that you can't put a dollar sign on.

Experience is merely the name men gave to their mistakes.

Those who dance are considered insane by those who cannot hear the music.

A house divided against itself cannot stand.

I think, therefore I am.

Act enthusiastic and you will be enthusiastic

Don't compromise yourself. You are all you've got.

Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.

Each problem that I solved became a rule which served afterwards to solve other problems.

He alone is free who lives with free consent under the entire guidance of reason.

Courage is resistance to fear, mastery of fear - not absence of fear.

The heart has its reasons which reason knows not.

Never pick a fight with an ugly person, they've got nothing to lose.

Real knowledge is to know the extent of one's ignorance.

If you don't know where you're from, you'll have a hard time saying where you're going.

There are four ways, and only four ways, in which we have contact with the world. We are evaluated and classified by these four contacts: what we do, how we look, what we say, and how we say it.

Each day is a little life; every waking and rising a little birth; every fresh morning a little youth; every going to rest and sleep a little death.

A precedent embalms a principle.

Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more

In the midst of movement and chaos, keep stillness inside of you.

Things which matter most must never be at the mercy of things which matter least.