最大的胜利来自内心。

Every tree we plant today is an investment in tomorrow's clean air, stable climate, and thriving ecosystems.

Strategy execution is more important than strategy formulation.

What a fool old Adam was. Had everything his own way; had succeeded in gaining the love of the best looking girl in the neighborhood, but yet unsatisfied with his conquest he had to eat a miserable little apple.

我们教授一门学科不是为了培养关于该学科的小型活图书馆，而是让学生自己学会数学思考。