It's not that I'm so smart, it's just that I stay with problems longer.

Weakness of attitude becomes weakness of character.

I have no special talent. I am only passionately curious.

Strive not to be a success, but rather to be of value.

Coincidence is God's way of remaining anonymous.

I never think of the future - it comes soon enough.

A person who never made a mistake never tried anything new.

Look deep into nature, and then you will understand everything better.

Life is like riding a bicycle. To keep your balance, you must keep moving.

If you can't explain it simply, you don't understand it well enough.