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数学是给不同事物起相同名字的艺术。
Mathematics is the art of giving the same name to different things.
I don't think of myself as a celebrity. I think of myself as an actor who's had some success.
"We all have a responsibility to bear witness to what we see and to speak out against injustice."
"Every border is a fiction, drawn first in the mind before it scars the earth."