The more precise the language, the more mysterious the world becomes.

I sent my Soul through the Invisible, Some letter of that After-life to spell: And by and by my Soul return'd to me, And answer'd "I Myself am Heav'n and Hell."

What would you do if you weren't afraid?

Most people overestimate what they can do in one year and underestimate what they can do in ten years.

青蒿素的发现是传统中医药给人类的礼物。