Confidence comes from within. No one can give it to you.

学习不仅仅是知识的积累，而是理解的转变。

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

The only certainty is uncertainty.

简单是最终的复杂。

如果你掌握了所有事实，你的判断可能是正确的；如果你没有掌握所有事实，你的判断就不可能是正确的。