We have no right to assume that any physical laws exist, or if they have existed up until now, that they will continue to exist in a similar manner in the future.

The history of all times and nations teaches us that exactly in the naïve, unshakable belief, furnished by religion in active life of believers, originate the most intense motives for the most significant creative performance, not only in the field of arts and sciences but also in politics.

Science cannot solve the ultimate mystery of nature. And that is because, in the last analysis, we ourselves are a part of the mystery that we are trying to solve.

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

Science advances one funeral at a time.

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.

Insight must precede application.