If you really want to succeed, don't be afraid of failure.
It's sort of sad when you think of a kid like that going through life without a sense of humor...
The most damaging phrase in the language is: 'We've always done it this way.'
"Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence."
数学之美在于它能够将复杂的事物简化。
最好的老师就是「行动」。