The strongest factor for success is self-belief.

学习数学的唯一方法就是做数学。

领导力的作用是产生更多的领导者，而不是更多的追随者。

有时最困难的部分不是放手，而是学会重新开始。

The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.

有些人不喜欢变革，但如果不这么做的后果是灾难性的，你应当拥抱变革。