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.
选择理论忽略了大多数人类行为是基于习惯而非精心计算的决策这一事实。
In modern life nothing produces such an effect as a good platitude. It makes the whole worldkin.
I can never be safe; I always try and go against the grain. As soon as I accomplish one thing, I just set a higher goal. That's how I've gotten to where I am.