Quote by Jean Piaget
"To think formally is to engage in propositional logic and to consider all possible combinations."
More from Jean Piaget
"The principal goal of education in the schools should be creating men and women who are capable of doing new things, not simply repeating what other generations have done."
"Play is the work of childhood."
"Intelligence is what you use when you don't know what to do."
"The child doesn't grow into the adult; but the adult is the child, elaborated."