The only strategy that is guaranteed to fail is not taking risks.
War is a tragedy, but sometimes necessary.
A mathematician's work is never done; there are always new questions to explore and new mysteries to uncover.
故事是世界上最重要的事情。没有故事,我们根本就不会成为人类。
教育不仅仅是达到目的的手段,而是一个持续成长和发展的过程。