【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。

If you double the number of experiments you do per year, you're going to double your inventiveness.

书籍会说：她这么做是因为。生活只会说：她这么做了。书会向你解释；而生活不会。

唯一的限制是你自己设定的。

The key to understanding cryptography is understanding that it's not just about keeping secrets, but about managing trust.