However difficult life may seem, there is always something you can do and succeed at.

对逻辑形式的研究不仅关乎语言，也关乎世界。

永远不要忘记你是一个独一无二的存在，你的存在本身就是一种奇迹。

社会通常会原谅犯罪，却从不原谅梦想家。

Efficiency is doing things right; effectiveness is doing the right things.

局部和全局现象之间的相互作用是数论中反复出现的主题。