The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.

学问的道理没有别的，就是找回那丧失了的善心罢了。

I've learned that growth comes from pain and struggle.

每个政府的衰败都始于其建立时的原则的腐化。

The future of democracy depends on the ability of democratic societies to reform themselves.

The true value of a forest lies in its ability to balance ecological needs with human aspirations.

如果事实、逻辑和科学过程都只是随意的“社会化构建出来的”说辞，那么我们能够得到的就只是某种共识--具体而言，也就是同伴群体中的共识，那种青春期的人们或者知识界很多人当中更愿意信奉的共识。

天赋是不够的。你需要纪律和奉献精神才能达到顶峰。

真相不止一个，每个人都有自己的真相。

可持续的做法不是成本，而是对我们共同未来的投资。

The historian must be a poet and a philosopher.

衡量矿业公司成功的真正标准是它能否为后代留下积极的遗产。