安全必须始终是我们所做一切的首要任务。
A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.
The discovery of stars orbiting the supermassive black hole at the galactic center was a turning point in astrophysics.
生活工作首先勤快才能有所闲暇,一切事务都能处理得当才能逍遥自在。
最可怕的事情就是不容忍的乌托邦。
The future belongs to those who believe in the beauty of their dreams.