相关性和因果关系之间的区别在实证工作中是根本性的。
这个世界的问题在于愚者和狂徒对自己如此确信,而智者却充满疑虑。
最好的科学家是那些永不停止问为什么的人。
Do not put forward anything that you cannot prove by experimentation.
The best investment strategy is one that is simple, low-cost, and focused on the long-term.