自然界的现象,无论是机械的、化学的还是生命的,几乎完全在于通过空间、活力和热之间的持续相互转化。
The more you give, the more you get back.
Leadership in forestry means having the courage to make decisions that will outlast your tenure.
生命是一场永无休止的战斗。
This is an interesting planet. It deserves all the attention you can give it.