Every time we teach a child something, we keep him from inventing it himself.
每当我们教孩子一些东西时，我们就阻止了他自己去发明它。
游戏是儿童的工作。
Intelligence is what you use when you don't know what to do.
智力是当你不确定该做什么时所使用的东西。
The principle goal of education is to create men who are capable of doing new things, not simply of repeating what other generations have done.
教育的主要目标是培养能够创新的人，而不仅仅是重复前人所做的事情。