I never guess. It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.

Sustainability isn’t just a buzzword—it’s a responsibility we owe to future generations.

悲剧是我割破了手指。喜剧是你掉进下水道淹死了。

生活若无波折险阻，就会过于平淡无奇。

Writing is a way of living, a way of being in the world.

I love to think of nature as an unlimited broadcasting station, through which God speaks to us every hour, if we will only tune in.

The only person you are destined to become is the person you decide to be.

我们的科学力量已经超过了我们的精神力量。我们有导弹，但我们的人类道德方向已经偏离。