People can be really smart or have skills that are directly applicable, but if they don't really believe in it, then they are not going to really work hard.

相关性和因果关系之间的区别在实证工作中是根本性的。

教育是你可以用来改变世界的最强大的武器。

Traceability isn't just for consumers—it's our moral obligation.

A man, as a general rule, owes very little to what he is born with – a man is what he makes of himself.

有时候，你必须和你爱的人分开，但这并不会让你爱他们少一点。有时候，这会让你更爱他们。