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

— Max Planck The Universe in the Light of Modern Physics (1931)

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More quotes by Max Planck

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.

Where is Science Going? (1932)

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

Where is Science Going? (1932)

The energy and entropy of the world have no meaning, because such quantities admit of no accurate definition.

To believe in science, one must believe in the rationality of the world.

New scientific ideas never spring from a communal body, however organized, but rather from the head of an individually inspired researcher who struggles with his problems in lonely thought and unites all his thought on one single point which is his whole world for the moment.

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Quote text and notes from Wikiquote: Max Planck (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.