我不是专横，我就是老板。

In science, the most dangerous phrase is 'We've always done it this way.'

Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.

"The stories we tell ourselves shape who we are and who we will become."

只要是利益他人的事情，就要坚持做下去；只要是不利于别人的事情，就要马上停止不做。