Be civil to all; sociable to many; familiar with few; friend to one; enemy to none.

素描就是诚实。没有作弊的可能。画得好就是好，不好就是不好。

Go for it now. The future is promised to no one.

The study of L-functions is a journey into the hidden patterns of numbers.

人们有时为了得到自己想要的东西，会变得残酷。