你必须对自己的能力有信心，然后足够坚强地坚持下去。

The best time to plant a tree was twenty years ago. The second best time is now.

我不追逐成功，我追求卓越。

Innovation in forestry technology will redefine how we manage and conserve our forests.

The past is a foreign country; they do things differently there.

所有商品的交换价值随着生产难度的增加而上升。

沉默有时比言语更有力量。