The power of mathematics is in its universality and its ability to transcend cultural boundaries.
War is the ultimate human drama, where the best and worst of humanity is revealed.
每个人都认为自己是最重要的存在。这是很正常的。但真正重要的是，能否珍惜自己以外的某个人。
For in the final analysis, our most basic common link is that we all inhabit this small planet. We all breathe the same air. We all cherish our children's futures. And we are all mortal.