It's easy to perform for others, but hard to perform for yourself.

Success is not about how much money you make, but how many lives you touch.

The idea of legal responsibility is central to the concept of law.

"Libraries are the treasure chests of the world."

I'm not afraid of dying, I'm afraid of not trying.

科学中最重要的就是不要害怕提出问题。

出自《抱朴子·广訾》。病到很急的时候就会觉得良医是重要的了，世道动乱的时候就会觉得忠贞的臣子是重要的了。