The truth is rarely pure and never simple.

母亲的心是一个深渊，在它的最深处你总会得到宽恕。

You even harvest the whole world, if no one to share with you, you will feel sad.

Combinatorics is like the art of counting without actually counting.

雷声前的闪电是灾难前警告的常见象征。

合作而非竞争将决定水产养殖的未来。