“The man who cannot occasionally imagine events and conditions of existence that are contrary to the causal principle as he knows it will never enrich his science by the addition of a new idea.”

Truth never triumphs-its opponents just die out.

A new truth always has to conend with many difficulties. If it were not so, it would have been discovered much sooner.

An indispensable hypothesis, even though still far from being a guarantee of success, is however the pursuit of a specific aim, whose lighted beacon, even by initial failures, is not betrayed.

I regard consciousness as fundamental. I regard matter as derivative from consciousness. We cannot get behind consciousness. Everything that we talk about, everything that we regard as existing, postulates consciousness.

Those scientists who dislike entertaining contradictory thoughts are unlikely to enrich their science with new ideas.

We cannot rest and sit down lest we rust and decay. Health is maintained only through work. And as it is with all life so it is with science. We are always struggling from the relative to the absolute.

Ego is the immediate dictate of human consciousness.

Experimenters are the shock troops of science.

The spectral density of black body radiation; represents something absolute, and since the search for the absolutes has always appeared to me to be the highest form of research, I applied myself vigorously to its solution.

We are in a position similar to that of a mountaineer who is wandering over uncharted spaces, and never knows whether behind the peak which he sees in front of him and which he tries to scale there may not be another peak still beyond and higher up.

This is one of man’s oldest riddles. How can the independence of human volition be harmonized with the fact that we are integral parts of a universe which is subject to the rigid order of nature’s laws?

Science advances one funeral at a time.

Scientific discovery and scientific knowledge have been achieved only by those who have gone in pursuit of it without any practical purpose whatsoever in view.

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

No burden is so heavy for a man to bear as a succession of happy days.

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.

If Pakistan feels Indian positions are pre-conditions, then there will be no talks.

Authority, without any condition and reservation, belongs to the nation.

The news media in general are liberal. If you want to be a reporter, you are going to see poverty and misery, and you have to be involved in the human condition.

When you’re 6 or 7, your father becomes this wonderful presence in your life. I really responded to my father. And then, the very moment I realized that I loved him unconditionally, that life was going to be great just because he was in it, he was gone.

Wars always bring about a conservative reaction. They overwhelm and destroy patient and careful efforts to improve the condition of man.

Europe is overpopulated, the world will soon be in the same condition, and if the self-reproduction of man is not rationalized… we shall have war.

Absolute identity with one’s cause is the first and great condition of successful leadership.

Consul – in American politics, a person who having failed to secure an office from the people is given one by the Administration on condition that he leave the country.