Sustainability is no longer an option; it's a business imperative for long-term survival.

I'm not afraid to die, I'm afraid not to try.

臣民的政治自由是每个人对自己安全感的平静心态。

That is what learning is. You suddenly understand something you've understood all your life, but in a new way.

They just keep trotting back and forth across the bridge thinking there is something better on the other side. If they'd hang head down at the top of the thing and wait quietly, maybe something good would come along. But no—with men it's rush, rush, rush, every minute. I'm glad I'm a sedentary spider.

"We die. That may be the meaning of life. But we do language. That may be the measure of our lives."