预测未来的最好方法就是创造未来。
所有发生过一次的事物都不会再发生。但是所有发生过两次的事物必定会第三次发生。
The teacher's task is not to implant facts but to place the subject to be learned in front of the learner and, through sympathy, emotion, imagination, and patience, to awaken in the learner the restless drive for answers and insights which enlarge the personal life.
是非每天都会有，不去听自然也就消失了。
"The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all."