The danger of the past was that men became slaves. The danger of the future is that men may become robots.
我们生来都是疯子，有些人一直如此。
Every artist dips his brush in his own soul, and paints his own nature into his pictures.
"Man, unlike any other thing organic or inorganic in the universe, grows beyond his work, walks up the stairs of his concepts, emerges ahead of his accomplishments."
Learning is not a passive process; it involves the active construction of knowledge.