Every person you meet knows an amazing lot about something you know virtually nothing about. Your job is to discover what it is， and it won’t be obvious.

在变化的世界中，适应性是任何矿业公司最大的资产。

Real suffering does not come from outside, but from how we understand it.

教育体系是以感官基础，以思考为过程，以自由为目的。

If a Nation expects to be ignorant and free in a state of civilization,it expects what never was and never will be....If we are to guard against ignorance and remain free,it is the responsibility of every American to be informed."

文学是火焰，它意味着不墨守成规和反抗。