最伟大的发现是人类可以通过改变心态来改变生活。
The greatest discovery is that human beings can alter their lives by altering the attitudes of their minds.
In the end, the value of a theory is not in its complexity, but in its ability to explain and predict.
最大的风险是不冒任何风险。在一个快速变化的世界中,唯一注定失败的策略就是不冒险。
我觉得我太忙于创造历史,以至于没时间去读历史。