Cryptography is about communication in the presence of adversaries.

信仰使穷人不至于去谋害富人。

农民是我们经济中唯一必须以零售价购买一切，以批发价出售一切，并支付双向运费的人。

We have a responsibility, every one of us. We may think we live a long way from the oceans, but we don't. What we actually do here, has a direct effect on the oceans—and what the oceans do then reflects back on us.

Sometimes it's the journey that teaches you a lot about your destination.

We don't inherit the oceans from our ancestors; we borrow them from our children.

解读：读书不是单纯为功名利禄，而是在遭遇挫折、低谷时，书中智慧、精神能化作内心支撑，助我们咬牙挺过艰难时刻。