Education is the seed from which sustainable forestry practices grow.

Don’t let success go to your head or failure go to your heart.

生命的价值不在于能活多少天，而在于我们如何使用这些日子。

让项目更快完成的最好方法是尽早开始。

Challenges are opportunities in disguise; embrace them with courage and creativity.

Suspicion against every kind of authority grew out of this experience， an attitude which has never again left me.

Sustainability isn't an option - it's our responsibility to the next generation.

你可以通过一个人的回答来判断他是否聪明。你可以通过一个人的问题来判断他是否明智。