You wanna fly, you got to give up the shit that weighs you down.
数学之美在于它能够揭示现实的隐藏结构。
过去是你记得的、想象你记得的、说服自己记得的或假装记得的东西。
The knowledge of the past stays with us to spur us on to new and better things.
乐观,悲观,去他的;我们要让它发生。我发誓,我一定要让它成功。