Children's games constitute the most admirable social institutions. The game of marbles, for instance, as played by boys, contains an extremely complex system of rules - that is to say, a code of laws, a jurisprudence of its own.
More Quotes by Jean Piaget
I have always detested any departure from reality, an attitude which I relate to my mother's poor mental health.
The current state of knowledge is a moment in history, changing just as rapidly as the state of knowledge in the past has ever changed and, in many instances, more rapidly.
This means that no single logic is strong enough to support the total construction of human knowledge.
Our problem, from the point of view of psychology and from the point of view of genetic epistemology, is to explain how the transition is made from a lower level of knowledge to a level that is judged to be higher.
Intelligence is what you use when you don't know what to do: when neither innateness nor learning has prepared you for the particular situation.
The goal of education is not to increase the amount of knowledge but to create the possibilities for a child to invent and discover, to create men who are capable of doing new things.