The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

研究古DNA如同打开通向过去的窗户。

Will you be a cynic， or will you be a builder？

"A book is a dream that you hold in your hand."

群众没有能力理解复杂的问题。

人体是一个复杂的谜题，而病毒只是其中的一部分。