I believe that man will not merely endure: he will prevail. He is immortal, not because he alone among creatures has an inexhaustible voice, but because he has a soul, a spirit capable of compassion and sacrifice and endurance.

你加入这里不是为了酷，而是为了让别人酷。

λ演算是一种表示函数及其应用的形式体系。

科学中最重要的事情是不要停止提问。