道德的营养不良和精神的中毒对人的心灵的危害，正如身体的营养不良对于身体健康的危害一样。

刚强纯洁的高尚人品，要在烈火般艰苦的斗争中锤炼；惊天动地的丰功伟业，必须在薄冰般险恶的环境里前进。

心理活动的目的是成功的生活。

点击化学不仅是一种方法，更是一种追求合成简单和可靠的哲学。

科学的进步在于每一步发现一种新的秩序，这种秩序将看似不同的事物统一起来。

I hope that in this year to come, you make mistakes. Because if you are making mistakes, then you are making new things, trying new things, learning, living, pushing yourself, changing yourself, changing your world. You're doing things you've never done before, and more importantly, you're doing something.