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.

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.

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

Religion and natural science are fighting a joint battle in an incessant, never-relaxing crusade against skepticism and dogmatism, against disbelief and against superstition, and the rallying cry in this crusade has always been, and will always be, 'On to God.'

There is a real world independent of our senses; the laws of nature were not invented by man, but forced on him by the natural world. They are the expression of a natural world order.

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

It is never possible to predict a physical occurrence with unlimited precision.