我不断看到有些人在生活中越过越好,他们不是最聪明的,甚至不是最勤奋的,但他们是学习机器。他们每天夜里睡觉时都比那天早晨聪明一点点。
We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.