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领导力就是让他人因为你的存在而变得更好,并确保这种影响在你离开后依然持续。
The history of mathematics is a history of human curiosity and ingenuity.
A method of solution is perfect if we can foresee from the start, and even prove, that following that method we shall attain our aim.
Man is not made for defeat. A man can be destroyed but not defeated.