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
Patience and tenacity are worth more than twice their weight of cleverness. – Thomas Huxley
Science is nothing, but trained and organized common sense. – Thomas Huxley
No delusion is greater than the notion that method and industry can make up for lack of mother-wit, either in science or in practical life. – Thomas Huxley
The symptoms of fascist thinking are colored by environment and adapted to immediate circumstances. But always and everywhere they can be identified by their appeal to prejudice and by the desire to play upon the fears and vanities of different groups in order to gain power. – Henry A. Wallace