I learned many years ago never to waste time trying to convince my colleagues.

People like us, who believe in physics, know that the distinction between past, present, and future is only a stubbornly persistent illusion.

I am not a genius, I am just curious. I ask many questions. and when the answer is simple, then God is answering.

Creative energy is more critical than learning.

Creativity is contagious. Pass it on.

Man owes his strength in the struggle for existence to the fact that he is a social animal.

I never allow myself to become discouraged under any circumstances. The three great essentials to achieve anything worthwhile are first, hard work, second, stick-to-ittiveness, third, common sense.