It is through science that we prove, but through intuition that we discover.

Point set topology is a disease from which the human race will soon recover.

It is by logic that we prove, but by intuition that we discover. To know how to criticize is good, to know how to create is better.

There are no solved problems; there are only problems that are more or less solved.

The scientist does not study nature because it is useful; he studies it because he delights in it, and he delights in it because it is beautiful.

Doubt everything or believe everything: these are two equally convenient strategies. With either we dispense with the need for reflection.

If nature were not beautiful, it would not be worth knowing, and if nature were not worth knowing, life would not be worth living

Geometry is the art of correct reasoning from incorrectly drawn figures.

One geometry cannot be more true than another; it can only be more convenient.

It is far better to foresee even without certainty than not to foresee at all.

Every good mathematician should also be a good chess player and vice versa.

Keep walking on the path of bravery. Keep walking on the path of your passion. Keep walking, and do not stop until you reach your goal.

The greatest gift you can give (yourself or anyone else) is just being present

Islam appears to me like a perfect work of architecture. All its parts are harmoniously conceived to complement and support each other

Are we to go out with trumpets and tell everything we know, just because it is true? Is there not such a thing as egotistical truthfulness?

I, also, found the opportunity to work with the actors extremely gratifying and rewarding.

Every dimension of life, its gains and its losses, are reason for celebration because each of them brings us closer to wisdom and fullness of understanding.

The whole point of being happy is not feeling like you have a job. I'm sure there are days where you're at your job and you're like, "Oh my god, this is hard."

You can make anything out of anything.

I can sort of do what I want. Maybe I have to work harder to prove myself in some new relationship because they've heard some wacky stories about me. But at least I can get the meeting.