Look at a day when you are supremely satisfied at the end. It's not a day when you lounge around doing nothing; it's a day you've had everything to do and you've done it.

The balance between economy and ecology is the core of modern forestry.

语言是内在世界与外在世界之间的桥梁。

自知之明的人，不埋怨人；了解命运的人，不埋怨天；埋怨别人的人，遭遇穷困；埋怨上天的人，没有志向。

做伟大工作的唯一方式就是热爱你所做的事。

Quality is not an act, it is a habit.

在我们所从事的技艺中，没有人能成为大师，我们都是学徒。