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数学中最重要的技能是清晰思考的能力。
The most important skill in mathematics is the ability to think clearly.
The most important property of a program is whether it accomplishes the intention of its user.
成为你希望在世界上看到的变化。
Circumstances rule men; men do not rule circumstances.
La poesía no es un lujo, es una necesidad del espíritu.
The story of human evolution is a story of migration and mixing.