在困难中蕴含着机会。
"In the middle of difficulty lies opportunity."
There ain't no way you can hold onto something that wants to go, you understand? You can only love what you got while you got it.
The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence. In some ways we are, in some ways we're not. We are ruled by the forces of chance and coincidence.
过去总是在我们的生活中存在，塑造着我们的未来。
The deeper you go into mathematics, the more you realize how much remains unknown.
Efficiency is doing things right; effectiveness is doing the right things.
最好的领导者是那些能够授权他人领导的人。