"I don't write for children. I write for people."

The world is a story without an ending.

【译文】杀人一万，自己也要损失三千。说一句伤害别人的话，就像用刀割别人的心一样。

A man is like a fraction whose numerator is what he is and whose denominator is what he thinks of himself. The larger the denominator, the smaller the fraction.

Security is not a product, but a process.