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做一个有道德的人,就是要付出、必须付出某种关注。
To be a moral human being is to pay, be obliged to pay, certain kinds of attention.
The better you feel an emotion, the less you can express it.
It takes considerable knowledge just to realize the extent of your own ignorance.
Just be yourself, there is no one better.
数学之美不仅在于其抽象的优雅,还在于其建模和解决现实世界问题的深刻能力。
算法的真正力量不在于它的速度或效率,而在于它揭示所解决问题隐藏结构的能力。