The hardest decisions often yield the greatest rewards.

数学家的模式，就像画家或诗人的模式一样，必须是美丽的；思想，就像颜色或文字一样，必须以和谐的方式结合在一起。

没有牺牲，就没有自由。

农业成功的真正标准不仅仅是产量，还有恢复力。

造纸行业有责任在环境管理方面发挥领导作用。

The world is not run from where he thinks. Not from castle walls, but from countinghouses, not by the call of the bugle but by the click of the abacus, not by the grate and click of the broadsword but by the scrape of the pen.

除了蜜蜂，我无所畏惧。