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   Name:
Thomas Huxley
Type:
Scientist
Nationality:
English
Birth:
May 4, 1825
Death:
June 29, 1895
https://www.nutquote.com/quote/Thomas_Huxley