It seems to me that the natural world is the greatest source of excitement; the greatest source of visual beauty; the greatest source of intellectual interest. It is the greatest source of so much in life that makes life worth living.

最糟糕的暴政是那种伪装成自由的暴政。

Sustainability is not a choice anymore; it's a necessity for survival in today's world.

科学不仅是理性的学科，也是浪漫和激情的学科。