你可以锁上你的图书馆；但没有门、没有锁、没有门闩能禁锢我思想的自由。
Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.
He who is not contented with what he has，would not be contented with what he would like to have.
人工智能的未来是合作的，而不是竞争的。
The sun is our most powerful tool in Africa. We must learn to work with it, not against it.
El tiempo no es oro, el tiempo es vida.