The interplay between pure and applied mathematics is where true innovation happens.

千里之行，始于足下，再近的道路，如果你不走，就永远不能到达；一屋不扫，何以扫天下？再小的事情，你都不去做，何谈成功？

It is one of the superstitions of the human mind to have imagined that virginity could be a virtue.

最伟大的定理往往始于简单的猜想，源于直觉。