“To express the same idea in still another way, I think that human knowledge is essentially active.”– Jean Piaget Related Quotes “My knowledge of science came from being with Carl, not from formal academic training. Carl gave me a thrilling tutorial in science and math that lasted the 20 years we were together.”– Ann Druyan “Reason is an action of the mind knowledge is a possession of the mind but faith is an attitude of the person. It means you are prepared to stake yourself on something being so.”– Michael Ramsey “And most importantly perhaps, children can learn about their rights, share their knowledge with the children of other nations, identify problems with them and establish how they might work together to address them.”– Carol Bellamy