I'm just a woman. And as a woman， I have no way to make money， not enough to earn a living and support my family. Even if I had my own money， which I don’t， it would belong to my husband the minute we were married. If we had children they would belong to him， not me. They would be his property. So don’t sit there and tell me that marriage isn’t an economic proposition， because it is.

The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is probably not important to mathematics.

地质学研究的真正魅力在于从已知到未知的思维锻炼。

"To write is to breathe, and to breathe is to live."

"The dead are invisible, they are not absent."

What other dungeon is so dark as one's own heart! What jailer so inexorable as one's self!

投资需要坚定的信念和耐心，不要被短期的市场情绪所左右。