没有内容的思想是空洞的,没有概念的直觉是盲目的。
The beauty of a mathematical idea is that it can be shared and understood across cultures and time.
Better never means better for everyone... It always means worse, for some.
行为主义者对人类行为的兴趣不仅仅是旁观者的兴趣——他想要控制人类的反应,就像物理科学家想要控制和操纵其他自然现象一样。