Never, never and never again shall it be that this beautiful land will again experience the oppression of one by another and suffer the indignity of being the skunk of the world.Let freedom reign!

他在主张杠杆原理时所说。

Every seed contains the potential to change a community.

To be aware of the idea of social structure and to use it with sensibility is to be capable of tracing such linkages among a great variety of milieux.

可持续性不再是一种选择，而是我们对后代的责任。

我不是一个喜欢普通的人。

The love we give away is the only love we keep.

关于一件艺术品的最高问题是它源于多深的生活。

科学是人类认识世界、改造世界的强大武器。