Assume life will be really tough, and then ask if you can handle it.If the answer is yes, you've won.
The arithmetic of modular forms is a key to understanding the deeper mysteries of number theory.
拼命工作,直到你的仇人问你是否招人。
我被有历史的材料所吸引。
在完成之前,一切似乎都是不可能的。