The task of the teacher is to lead the student from the known to the unknown.

有一回巴菲特在地上看到一毛钱，他弯下腰拾起这枚硬币，当时所有在场的人都惊讶不已，只见他说

"I’m a very positive thinker, and I think that is what helps me the most in difficult moments."

预测未来的最好方法就是创造未来。

所谓现实只不过是一个错觉，虽然这个错觉非常持久。