当人们想要得到根本不可得到的东西时，只有谎言者才能满足他们。

If you're not stubborn， you'll give up on experiments too soon. And if you're not flexible， you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.

善恶之间的界限是可渗透的，任何人在环境的逼迫下都可能跨越它。