The beauty of mathematics is that it is one of the few areas of human endeavor where absolute truth can be known.
我不与任何人竞争,我与自己竞争。
The past is a darkness crowded with voices.
我们以可持续方式养殖的每一条鱼,都是迈向更健康地球的一步。
人生没有白走的路,每一步都算数。