You can't just keep doing what works one time, everything around you is always changing. To succeed, stay out in front of change.

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

The only thing we have to fear is fear itself.

I'm not a rapper, I'm a math legend.

言语就像风。

数学中最重要的是提出正确的问题。