Sustainability isn't an option; it's a responsibility we owe to future generations.

成功是对怀疑者最好的报复。

可持续林业不仅仅是砍伐树木；它关乎我们星球的未来。

童年转瞬即逝，但一本好书可以让它停留得更久一点。

The great challenge of our time is to build institutions that can manage the complexity of modern societies.

Every risk is worth taking as long as it's for a good cause, and contributes to a good life.