"The truth is rarely pure and never simple."

自然是最难维持的姿态。

"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."

最大的财富是健康。

我们行业的未来取决于经济增长与环境责任的平衡。

最危险的敌人往往是我们自己。