要想成功，你必须无所畏惧。

Stories you read when you're the right age never quite leave you. You may forget who wrote them or what the story was called. Sometimes you'll forget precisely what happened, but if a story touches you it will stay with you, haunting the places in your mind that you rarely ever visit.

我希望在即将到来的这一年里，你会犯错误。因为如果你在犯错误，那么你就在创造新事物，尝试新事物，学习，生活，推动自己，改变自己，改变你的世界。你在做你以前从未做过的事情，更重要的是，你在做一些事情。

The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.

Policy debates should be grounded in rigorous empirical analysis.