Charity begins at home, and justice begins next door.

采矿效率不仅仅是成本问题，更是减少环境影响的问题。

Where I am, I don't know, I'll never know, in the silence you don't know, you must go on, I can't go on, I'll go on.

It’s not given to human beings to have such talent that they can just know everything about everything all the time. But it is given to human beings who work hard at it — who look and sift the world for a mispriced bet — that they can occasionally find one.