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Success in mining isn't just about extracting resources; it's about extracting value responsibly.
教师必须为形成较好人类而献出一切。
All the choir of heaven and furniture of earth - in a word, all those bodies which compose the frame of the world - have not any subsistence without a mind.
战争不会消灭正直,它反而更需要正直——比和平时期更需要。
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.