爱情中的欢乐和痛苦是交替出现的。
我们对显而易见的事物视而不见,而且对自己的视而不见也视而不见。
It has always been easy to hate and destroy. To build and to cherish is much more difficult.
To do mathematics is to engage in an act of discovery and conjecture, intuition and inspiration.
It's not what you're looking for trouble, but something that you're not sure of, but in fact, it's not.
对一切来说只有热爱才是最好的老师,,它远远胜过责任感。