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数学中最令人兴奋的时刻是当你发现一些隐藏在显而易见之处的东西。
In times of disruption, the biggest risk is not taking any risk at all.
I used to walk down the street like I was a star... I want people to walk around delusional about how great they can be - and then to fight so hard for it every day that the lie becomes the truth.