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网球是一项需要你在心理和身体上都强大的运动,但心理部分更为重要。
Mathematics is the language of the universe, and through it, we can understand the fundamental principles that govern our world.
心理学唯一有效的数据是可观察的行为。
Will you wilt under criticism, or will you follow your convictions?
In mathematics, persistence is often more important than brilliance.