Even if you have to go through hell - go without hesitation.

Everything that is really great and inspiring is created by the individual who can labor in freedom.

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

Princeton is a wonderful little spot. A quaint and ceremonious village of puny demigods on stilts.

If one studies too zealously, one easily loses his pants.

It would of course be a great step forward if we succeeded in combining the gravitational field and the electromagnetic field into a single structure. Only so could the era in theoretical physics inaugurated by Faraday and James Clerk Maxwell be brought to a satisfactory close.

Curiosity has its own reason for existence.