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.

Customer satisfaction is the best advertisement for our company.

数学思想的美丽之处在于它可以跨越文化和时间被分享和理解。

生活中唯一不变的就是变化，我们必须拥抱它。

"I write for kids because I was a kid who needed books."

忘记过去的人必将重蹈覆辙。

拓扑绝缘体的发现开启了凝聚态物理学的新前沿，其中对称性和拓扑的相互作用导致了新的量子物质状态。