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数学不仅仅是关于数字、方程、计算或算法:它是关于理解的。
数学的真正乐趣在于发现的过程,而不仅仅是结果。
Love is the key to everything.
The most comfortable chair is the one I use myself when I have visitors.
The world is a place of shadows, and we are the ghosts that walk through them.