The greatest gift you can give someone is your time, because you are giving them a portion of your life that you will never get back.
"A personality is a full Congress of orators and pressure-groups, of children, demagogues, communists, isolationists, war-mongers, mugwumps, grafters, prayer-meetings, spiritualists, and astrologers."
The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.
阅读和解释遗传密码的能力彻底改变了我们对医学和遗传学的方法。
解释：走夜路的人可以保证自己不做坏事，但却没有办法让狗不对着自己乱叫。
不要一直犯同样的错误；尝试犯些新的错误。