自私性是一种自爱，怜悯心是一种他爱。一个人想要得到他人的爱，他自己首先应具备爱人之心。

科学是基础，但同情心是我们行业的灵魂。

Lisp is worth learning for the profound enlightenment experience you will have when you finally get it; that experience will make you a better programmer for the rest of your days, even if you never actually use Lisp itself a lot.

没有比你自己设下的陷阱更致命的陷阱了。

Evidence-based policymaking leads to better outcomes.

最危险的敌人往往是我们自己。