人生没有重来,所以要好好珍惜。
每个数学问题都有一个解决方案;有时只是需要时间去找到它。
We tell stories to live, and we live to tell stories.
The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.