I want to emphasize the necessity for a sound mathematical basis for any fundamental physical theory. Any philosophical ideas that one may have play only a subordinate role. Unless such ideas have a mathematical basis they will be ineffective.

— Paul Dirac The Mathematical Foundations of Quantum Theory (1978)

More quotes by Paul Dirac

The scientific work of Georges Lemaître (1968)

The Evolution of the Physicist's Picture of Nature (1963)

Brighter Than a Thousand Suns : A Personal History of the Atomic Scientists (1958)

The Cosmic Code : Quantum Physics As The Language Of Nature (1982)

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