To express the same idea in still another way, I think that human knowledge is essentially active. – Jean Piaget
It is with children that we have the best chance of studying the development of logical knowledge, mathematical knowledge, physical knowledge, and so forth. – Jean Piaget
In other words, knowledge of the external world begins with an immediate utilisation of things, whereas knowledge of self is stopped by this purely practical and utilitarian contact. – Jean Piaget
If you want to be creative, stay in part a child, with the creativity and invention that characterizes children before they are deformed by adult society. – Jean Piaget