I would not dare to say that there is a direct relation between mathematics and madness, but there is no doubt that great mathematicians suffer from maniacal characteristics.

The world is a book, and those who do not travel read only a page.

The only way to change the world is to change yourself.

"Memory is a battlefield, not an archive."

我不是商人，我就是生意本身。

写作是探索人类心灵复杂性的一种方式。