Tomorrow, in a very real sense, your life -- the life you author from scratch on your own -- begins.
明天,非常现实地说,你们从零塑造自己人生的时代即将开启。
I stand up for what I believe in, and I don't back down.
数学是宇宙的语言,通过它,我们可以理解支配我们世界的基本原则。