[Mystery] is the fundamental emotion that stands at the cradle of true art and true science.

God may be subtle, but he isn't plain mean.

It is harder to crack prejudice than an atom.

Yes, we now have to divide up our time like that, between politics and our equations. But to me our equations are far more important, for politics are only a matter of present concern. A mathematical equation stands forever.

Try not to become a man of success, but a man of value. Look around at how people want to get more out of life than they put in. A man of value will give more than he receives. Be creative, but make sure that what you create is not a curse for mankind.

To have a better life we must keep choosing how we are living.

...Intelligence and character of the masses are incomparably lower than the intelligence and character of the few who produce something valuable for the community.