最大的财富是健康。

知道自己了解别人，设身处地为别人着想，体会别人感受。

The city's poor are like the roots of a tree: unseen, but essential to its survival.

The true writer is one who writes because he has something to say, not because he wants to say something.

I'm not perfect, but I'm always trying to improve.

矿业中的多样性不是可选项，而是发展的必要条件。

Education is the foundation of sustainable forestry practices.

最好的科学是用头脑和心灵完成的。