真正的挑战不是种得更多，而是用更少的资源种得更好。

最好的故事是那些提醒我们世界是活着的。

We are all afraid—for our confidence, for the future, for the world.

Hatred and love are both perceptions.

科学中最重要的事情是不要停止提问。

伟大的艺术总是承载着巨大的痛苦。

I therefore have decided to read only the writings of men who have been executed or have risked their lives in some way.

Money is not the only answer, but it makes a difference.