The study of logic is not merely about formal systems, but about understanding the very fabric of rational thought.
逻辑学研究不仅仅是关于形式系统，而是理解理性思维的基本结构。
If you’re afraid to fail, then you’re probably going to fail.
We often think happiness is about getting what we want, but it's more about wanting what we have.
得不到渴望的某些东西是幸福不可或缺的一部分。
古代著书立说的人，都有卓越的见解而自成一家，后世无法轻易改变。