ᐅ 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 | QuotesTrue.com

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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 Henry Huxley (2011). “Collected Essays”, p.229, Cambridge University Press

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