translation.en: When you get math involved, problems that you solve for aesthetic value only, or to create something beautiful, turn around and turn out to have an application in the real world.
translation.zh: 当你运用数学，解决 你纯粹为了美学价值 或是创造美而想解决的问题时， 实际上结果反过来 在现实世界中也可以应用。