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数学的本质在于其自由性。
The essence of mathematics lies in its freedom.
One who never turned his back but marched breast forward, never doubted clouds would break.
I'm tough, I'm ambitious, and I know exactly what I want. If that makes me a bitch, okay.
I've been waiting more than 30 years to say this: "Dad, I always told you I'd come back and get my degree." I want to thank Harvard for this timely honor. I'll be changing my job next year…and it will be nice to finally have a college degree on my resume.
The most sustainable product is the one that lasts the longest.