The only thing that is truly yours is your time.

Every ton of coal extracted should carry the weight of our commitment to the future.

Progress in agriculture must be measured not just in yield, but in long-term environmental impact.

在我看来，一种信仰只是一个信仰现象，信仰的内容无足轻重。

在孩子身上获得最好的收获，请只花你预算的一半的钱，但花双倍的时间陪伴他们。