—— 请按键盘 空白键 开始游戏 ——

The real discovery is the one that makes me capable of stopping doing philosophy when I want to.
A fool who knows he is a fool is for that very reason a wise man. The fool who thinks he is wise is the one to be called a fool.
大脑不是传统意义上的计算机,但它确实进行计算。
文章是用来承载道理的,道理通过文章得以阐明。
离别多年后,抑或再相逢。相逢何所语,泪流默无声。
Natural experiments are a powerful tool for understanding causal relationships in the real world.