理解的改进有两个目的：首先，我们自己的知识增长；其次，使我们能够将知识传授给他人。
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.
The duty of man is the same in respect to his own nature as in respect to the nature of all other things.
我不是传奇，我只是一个唱歌的人。
Every setback is a setup for a comeback.
The greatest breakthroughs often come from unexpected places.
I don't think you need to be sad to write a sad song.