True friends are not those who have endless topics to talk about, but those who can stay together without feeling awkward even if they don't speak.
真正的朋友,不是在一起有聊不完的话题,而是在一起,就算不说话,也不会感到尴尬。
基础设施必须服务于人,而不仅仅是经济。
我希望不久之后我们就能有一台能够解决所有数学问题的机器。