Intelligence is not what you know but what you do when you don't know.

L'intelligence n'est pas ce que l'on sait, mais ce que l'on fait quand on ne sait pas.

Jean Piaget

Psychologists

Jean Piaget

Swiss developmental psychologist (1896-1980). A malacologist who turned to cognition while scoring Binet tests, his four-stage theory made him the 20th century's second most cited psychologist.

View this figure's profile

Unverified

Jean Piaget's Other Quotes

Related Quotes