Freedom is not something that anybody can be given. Freedom is something people take, and people are as free as they want to be.

The world is full of obvious things which nobody by any chance ever observes.

所有的悲剧以死亡结束，所有的喜剧以结婚告终。

由于说话的人不同，那么人们心中的看法就变化了。“智子疑邻”，地位不同，关系不同，时间不对，需谨言慎行。

"The future is built on collaboration, not competition."

科学的目标不是事物本身，而是事物之间的关系。