I took especially great pleasure in mathematics because of the certainty and the evidence of its arguments.

It is not enough to have a good mind. The main thing is to use it well.

If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.

You just keep pushing. You just keep pushing. I made every mistake that could be made. But I just kept pushing.

Except our own thoughts, there is nothing absolutely in our power.

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

To live without philosophizing is in truth the same as keeping the eyes closed without attempting to open them.

I desire to live in peace and to continue the life I have begun under the motto 'to live well you must live unseen

Common sense is the most widely shared commodity in the world, for every man is convinced that he is well supplied with it.

There is nothing more ancient than the truth.

With me, everything turns into mathematics.

Al: Now, remind me, who's walking who down the aisle again?

One out of four people in this country is mentally imbalanced. Think of your three closest friends and if they seem okay then you're the one.

Making dances is an act of progress; it is an act of growth, an act of music, an act of teaching, an act of celebration, an act of joy.

I'm creating music - it doesn't matter if anyone else likes it.

I have so much respect for Sam [L.Jackson] that if I had questions about anything, I would call and ask him if he agreed with me before I brought it up with Craig [Brewer].

The worst thing about jealousy is how low it makes you reach.

Knowing that one may be subject to bias is one thing; being able to correct it is another.

The question before the House is one of awful moment to this country. For my own part, I consider it as nothing less than a question of freedom or slavery

Great minds don't think alike. If they did, the Patent Office would only have about fifty inventions.

Like black, do you? (Cassandra) It serves its purpose. It’s hard to look intimidating in pastels. (Wulf)