学习的挑战不仅在于记忆，还在于从具体例子中归纳出更广泛的概念。
The world is full of people who have stopped listening to themselves or have listened only to their neighbors to learn what they ought to do, how they ought to behave, and what the values are that they should be living by.
Art is the bridge between the visible and the invisible.
最大的失败是放弃，最大的敌人是自己，最大的对手是时间。
我们必须倾听土著知识——他们实践可持续林业已有几个世纪。