领导力是指让他人因为你的存在而变得更好，并确保这种影响在你离开后依然持续。

The strength of a response tendency depends on the amount of reinforcement received.

最能干的人之所以能干，在于不做不应该做的事，最明智的人之所以明智，在于不去考虑不该考虑的问题。人贵在有自知之明，能明白自己的身份，知道该做什么不该做什么，什么事该考虑、什么事不用自己操心，该放手的时候就要放手。分内之事，尽力去做。

我们用数学来理解市场，而不是预测市场。

我唯一上瘾的就是赢。

Can I jump over two or three guys like I used to? No. Am I as fast as I used to be? No, but I still have the fundamentals and smarts. That’s what enables me to still be a dominant player. As a kid growing up, I never skipped steps. I always worked on fundamentals because I know athleticism is fleeting.

可能近似正确（PAC）学习的概念在计算学习理论中具有基础性意义。