Anything that exists at all exists in some amount. To know it thoroughly involves knowing its quantity as well as its quality.

Edward Thorndike

Psychologists

Edward Thorndike

American psychologist (1874-1949). Puzzle-box experiments made animal learning measurable; his law of effect founded educational psychology. Eugenic views led Columbia to rename Thorndike Hall.

View this figure's profile

Edward Thorndike's Other Quotes

Related Quotes