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数学不是一项观赏性运动。你必须亲自去做才能理解它。
Mathematics is not a spectator sport. You have to do it to understand it.
The mother-child relationship is paradoxical and, in a sense, tragic. It requires the most intense love on the mother's side, yet this very love must help the child grow away from the mother, and to become fully independent.
写作需要一颗心。没有激情,我什么都不是。
I don’t believe in inspiration. I believe in hard work.
Setting goals is the first step in turning the invisible into the visible.