我尽量不过于兴奋或过于低落。关键在于找到平衡。
数学的美在于它既精确又富有创造性。
在上位的有什么爱好,在下面的人一定爱好得更加利害。
Passionate hatred can give meaning and purpose to an empty life.
In every real man a child is hidden that wants to play.