I am thinking of keeping a diary, not with the intend to publish it, merely to record the facts for the information of God, in case God does not know my version of the facts.

Do your work for six years; but in the seventh, go into solitude or among strangers, so that the memory of your friends does not hinder you from being what you have become.

A scientist's aim in a discussion with his colleagues is not to persuade, but to clarify.

If you want to succeed in the world, you don't have to be much cleverer than other people. You just have to be one day earlier.

When a scientist says something, his colleagues must ask themselves only whether it is true. When a politician says something, his colleagues must first of all ask, 'Why does he say it?

Pronouncement of experts to the effect that something cannot be done has always irritated me.

We turned the switch, saw the flashes, watched for ten minutes, then switched everything off and went home. That night I knew the world was headed for sorrow.