"Kids are the toughest audience, but also the most rewarding."
新一代森林领导者必须像熟悉利润率一样熟悉生物多样性指标。
The world changes by your example, not by your opinion.
I believe in making things that last, both physically and emotionally.
永远不要让成功冲昏头脑，也不要让失败打击心灵。
译文：只有贤明，品德高尚的人，才能令人信服。