It is better to be a human being dissatisfied than a pig satisfied； better to be Socrates dissatisfied than a fool satisfied.

"A book is a mirror: if an ape looks into it, an apostle is hardly likely to look out."

"I don't have to be human to have human feelings."

我不是榜样，我只是我自己。

The wise are not ashamed to seek knowledge, for they know the ocean of wisdom is boundless.

所有财富都是劳动的产物。