The self thus becomes aware of itself, at least in its practical action, and discovers itself as a cause among other causes and as an object subject to the same laws as other objects.
Jean PiagetTo express the same idea in still another way, I think that human knowledge is essentially active.
Jean PiagetWhat is desired is that the teacher ceased being a lecturer, satisfied with transmitting ready-made solutions. His role should rather be that of a mentor stimulating initiative and research.
Jean Piaget