最有力的故事是我们亲身经历的那些。
Be thankful for what you have; you’ll end up having more. If you concentrate on what you don’t have, you will never, ever have enough.
The future of forestry lies in balancing economic needs with ecological responsibility.
假如孩子们的活动正好和他的内在需求相配合,孩子的表现会让我们他的发展所需。