We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.
人类的存在是宇宙中一种微小而独特的表现,我们应当珍惜并在有限的生命中发挥出色。
The task must be made difficult, for only the difficult inspires the noble-hearted.
我不是来取悦所有人的。