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Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
给学生一些事情去做,而不是一些东西去学;而这些事情的性质需要思考;学习会自然而然地发生。
I think that the most interesting art is the art that makes you think about what you're looking at.
"Every match is a new opportunity to learn something."
It is the preoccupation with possessions, more than anything else, that prevents us from living freely and nobly.
数学不是沿着一条清理干净的高速公路小心翼翼地行进,而是一次进入陌生荒野的旅程,探险者常常会迷路。