When he looked into her dark eyes， and saw that her lips were poised between a laugh and silence， he learned the most important part of the language that all the world spoke—the language that everyone on earth was capable of understanding in their heart. It was love.
当他凝视她的黑眼睛，看着她的嘴唇在笑与沉默之间徘徊时，他学到了世界上所有人都能理解的语言——那是爱。
失败是成功的一部分，不应回避，而应从中学习。
学习数学的最好方法就是做数学。