Jean Piaget Quotes
"Homage to Jean Piaget (1896 - 1980)" by Ernst von Glasersfeld, "Irish Journal of Psychology", vol. 18, issue 3, pp. 293 - 306, 1997.
Richard Isadore Evans, Jean Piaget (1973). “Dialogue with Jean Piaget”, Praeger Publishers
How much more precious is a little humanity than all the rules in the world.
Jean Piaget (1997). “The Moral Judgement of the Child”, p.191, Simon and Schuster
Jean Piaget (1977). “Psychology and Epistemology: Towards a Theory of Knowledge”