The language of mathematics is universal, transcending cultural and linguistic barriers.

When the third appeared, he thrust at it with the knife, only to feel the blade[刀片] snap as the fish rolled. 

最重要的是忠于你的价值观。

天地有万古岁月，可人死了就不会再复活；人寿命最多百年，一天很容易就会过去了。