How can he possibly be humble? He hasn't done anything yet.

It may be possible to fight intolerance, stupidity, and fanaticism seperately, but when they come together there is no hope.

If you want to know the future, look at the past.

My only genius talent is inquisitiveness.

I believe my theory of relativity to be true. But it will only be proved for certain in 1981, when I am dead.

All these constructions and the laws connecting them can be arrived at by the principle of looking for the mathematically simplest concepts and the link between them.

I am neither especially clever nor especially gifted. I am only very, very curious.