无论我们观察到多少只白天鹅，都不能证明所有天鹅都是白色的。

To succeed， get other people to pay you； to become wealthy， help other people to succeed.

"The essence of mathematics lies in its freedom."

何必需要浅碧深红的艳丽色彩，桂花本就是花中第一流

I believe in love at first sight because I am a product of it. My parents fell in love at first sight.

讽刺是对抗愚蠢的强大武器。

希腊人给了我们语言中最美丽的一个词，“热情”——内心的神。