To express the same idea in still another way, I think that human knowledge is essentially active.Quote by Jean Piaget about idea, knowledge, human imperfections
Knowing reality means constructing systems of transformations that correspond, more or less adequately, to reality.Quote by Jean Piaget about reality
Scientific knowledge is in perpetual evolution; it finds itself changed from one day to the next.Quote by Jean Piaget about knowledge, evolution, day
Intelligence is what you use when you do not know what to do.Quote by Jean Piaget about intelligence, use
In a desperate situation, only courage and intelligence can help you.Quote by Jean Piaget about despair, intelligence, courage, help