Words can be tools， but they can also be weapons.

写作是探索我们内心未知的方式。

The ultimate measure of a man is not where he stands in moments of comfort and convenience， but where he stands at times of challenge and controversy.

当你阻止某人胡言乱语的时候，你就无法证明他是个骗子。你只是向其他人表示你害怕他说出什么。

数学是一门活生生的学科，不断演变和发展。