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过去是一个跟随我们的影子,但选择让它定义我们还是走向光明,是我们的选择。
The past is a shadow that follows us, but it is our choice whether to let it define us or to step into the light.
过去并未死去,它甚至还未过去。
A mathematician's work is never done; there are always new questions to ask and new mysteries to solve.
"Memory is a strange thing. It doesn't work like I thought it did. We are so used to thinking of it as a camera or a tape recorder, but it's not like that at all. It's more like a painter. It creates a picture, but it's not always the same picture."