衡量森林价值的真正标准不是木材的板英尺数，而是几个世纪的生态平衡。
The true measure of a forest's worth isn't in board feet of timber, but in centuries of ecological balance.
化学是在分子水平上操纵物质的艺术，而催化是其最强大的画笔。
美是唯一能拯救我们的东西，但它也是最脆弱的。
I don't compete with anyone but myself.
真相往往令人不适，但必不可少。
The people are the roots of the revolution. Without the people, the revolution cannot succeed.
我们必须在经济增长和环境管理之间取得平衡。
Psychology is the science of mental processes.
以战争建立的帝国必须通过战争来维护自身。