The true value of a forest is measured not in board feet, but in biodiversity.

写作的行为是对生活荒谬性的一种抵抗。

I don’t paint for the audience. I paint for me.

当今世界面临的最重要挑战是在发展中国家建立强大、有效且负责任的国家。

The Government of the United States is a definite Government, confined to specified objects. It is not like the state governments, whose powers are more general.

生物学中的主要问题不是通过新技术解决的，而是通过新概念解决的。

真正爱国者的职责是保护他的国家免受其政府的侵害。