真正的科学家不是追求名利，而是追求真理。

正是在我们最黑暗的时刻，我们必须集中精力看到光明。

I therefore have decided to read only the writings of men who have been executed or have risked their lives in some way.

人生苦短，不能不冒险。

事实是，我有一半的时间不知道自己在做什么，但我自信地去做。

I think it's important to have a positive attitude and to be optimistic.

了解他人是智慧，了解自己是聪明