If tomorrow were never to come, it would not be worth living today.

My scientific work is motivated by an irresistible longing to understand the secrets of nature not by other feelings.

Once we accept our limits, we go beyond them.

History is littered with examples of men who would become gods, but only one example of God becoming Man.

Everyone must become their own person, however frightful that may be.

I do not play games. There is not time for it. When I get through with work, I don't want anything that requires the working of the mind.

Fantasie is belangrijker dan kennis, want kennis is begrensd.