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The true test of a mathematical idea is its ability to inspire further thought.
The severity of Russian laws is alleviated by the fact that it is not obligatory to execute them.
如果你的目标没有时间表,那它就只是一个梦想。
The beauty of mathematics lies in its ability to describe the world in a language that is universal.
Success is not about how much money you make, it's about the difference you make in people's lives.
The best way to conquer fear is to face it head-on.
The transformation of the coal industry requires both determination and patience.