I was just more stubborn and more passionate than most about physics.

Good acts are like good poems. One may easily get their drift, but they are not rationally understood.

Check out not to become a man or woman of achievement, but instead seek to become a particular person of price.

I refuse to make money out of my science. My laurel is not for sale like so many bales of cotton.

If someone feels that he has never made a mistake in his life, it only means that he has never tried anything new in his life.

It is a very grave mistake to think that the enjoyment of seeing and searching can be promoted by means of coercion and a sense of duty.

The mathematician knows some things, no doubt, but not those things one usually wants to get from him.