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You can have a lifetime of trying to get away from where you started out, and it’s only when you get there you realize you’ve brought it with you.
When we think of the past it's the beautiful things we pick out. We want to believe it was all like that.
The greatest theorems often start as simple conjectures, born out of intuition.
挑战在于使不可见的东西变得可见。
数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。