On pivoting: "If you're not stubborn， you'll give up on experiments too soon. And if you're not flexible， you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve."

数学不仅仅是数字和方程；它是关于理解宇宙中的深层模式和联系。

每起谋杀都有故事，每个杀手都有理由。