Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
释义:美好事物之所在,就是受到玷污辱没,世人也不能使它低贱;丑恶事物之所在,就是有人鼓噪吹捧,使之抬高身价,世人也不能使它贵重。
Motivation is the art of getting people to do what you want them to do because they want to do it.