An important scientific innovation rarely makes its way by gradually winning over and converting its opponents: What does happen is that the opponents gradually die out.

It is not the possession of truth, but the success which attends the seeking after it, that enriches the seeker and brings happiness to him.

In all my research I have never come across matter. To me the term matter implies a bundle of energy which is given form by an intelligent spirit.

Scientific work will never stop, and it would be terrible if it did. If there were no more problems, you would put your hands in your pockets and your head on a pillow and would work no more. In science rest is stagnation, rest is death.

A scientist is happy, not in resting on his attainments but in the steady acquisition of fresh knowledge.

A new scientific truth is usually not propagated in such a way that opponents become convinced and discard their previous views. No, the adversaries eventually die off, and the upcoming generation is familiarised anew with the truth.

An experiment is a question which science poses to Nature and a measurement is the recording of Nature's answer.