出自《抱朴子·博喻》。登高的人，要警惕的是爬高了会摔下来，渡深水的人，往往是因为船太重才出了祸。要适可而止，不要过于贪婪。

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

数学中发现的快乐是无与伦比的。

Success is not just about what you achieve, but who you become in the process.

自然知识的改进者绝对拒绝承认权威。对他来说，怀疑主义是最高的责任；盲目信仰是不可饶恕的罪过。

One isn't born one's self. One is born with mass of expectations, a mass of other people's ideas.

真正的文学不害怕面对现实，无论现实多么残酷。