Modularity based on abstraction is the way things ought to be done.
基于抽象的模块化是应该采取的方式。
数学语言是通用的;它超越了所有文化障碍。
I've always been interested in the human condition and what makes people tick.
Never, never, never give in!
The whole art of teaching is only the art of awakening the natural curiosity of young minds for the purpose of satisfying it afterwards.
The function of art is to disturb, not to reassure.
If you're not failing occasionally, you're not pushing hard enough.