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"The struggle for existence holds as much in the intellectual as in the physical world. A theory is a species of thinking, and its right to exist is coextensive with its power of resisting extinction by its rivals."

— Thomas Huxley
thomas huxley Quotes Species,Rivals,Theory

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Thomas Huxley
Species
Rivals
Theory
Intellectual
Existence
Extinction
Intellect
Resisting
Struggle For Existence

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