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.

我最害怕的莫过于共和国分裂成两个大党，每个党都在其领导人的领导下，相互对立地制定措施。

Space must be felt to be understood.

在人工智能领域取得成功的关键是在数学和统计学方面有坚实的基础。