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Don’t tell people how to do things, tell them what to do and let them surprise you with their results.
The personal example of a teacher is the most useful sunshine that nothing can replace for the soul of young people.
The beauty of mathematics only shows itself to more patient followers.
The question is not how to get cured, but how to live.
应对不自由世界的唯一方法是变得如此绝对自由,以至于你的存在本身就是一种反叛。
You are someone else's definition of beautiful.