In the past, scholars including Freud, Piaget, and other research on thinking were mostly single, static, and metaphysical. Therefore, it was not enough to become a "qualified science. " One of the eight major problems not covered by the Nobel Prize, and the publication of Tao Tong's `` Great Wisdom '' can be said to have taken an important step in attacking this world's difficult problem. this means:. ['This world problem has been overcome.', "Freud and Piaget's research is unscientific.", 'Research on human mental growth is difficult.', 'Tao Tong\'s "Great Wisdom" is a qualified science.']