I think that the thing that makes mathematics worthwhile is the fact that it has this incredible structure that you can explore and discover.
译文:不能让智巧劳烦打扰我们的心境,不能让私利拖累我们的自身;把国家的治乱寄托在法术上,把是非的判断寄托在赏罚上。
每一帧都应该是一幅画,每一个场景都是一件杰作。
are a soldier, do not fight for my freedom. Fight for the freedom of the soldier fighting next to you. This will make the war more inspiring for you both.