You can't let praise or criticism get to you. It's a weakness to get caught up in either one.

译文：从古至今英雄人物总是要经历磨难才能成就大业，而娇生惯养之辈总是缺少气概难以成就伟业。赏析：生于忧患，死于安乐。一个人要想成功必定要经历很多痛苦和艰难，如果人太安逸和舒适了，就会丧失斗志。

I have to remind myself that some birds aren't meant to be caged. Their feathers are just too bright. And when they fly away, the part of you that knows it was a sin to lock them up DOES rejoice. Still, the place you live in is that much more drab and empty that they're gone. I guess I just miss my friend.

数学与物理之间的相互作用带来了科学上一些最深刻的见解。

我一直对人类状况和什么让人们心动感兴趣。