幸福在于成就的喜悦和创造性努力的激动。
Happiness lies in the joy of achievement and the thrill of creative effort.
We are all broken, that's how the light gets in.
So that morning in 1962 I told myself: Let everyone else call your idea crazy . . . just keep going. Don’t stop. Don’t even think about stopping until you get there, and don’t give much thought to where “there” is. Whatever comes, just don’t stop.
工具变量的美妙之处在于它们让我们以新的视角看世界。
我不是一个喜欢和其他人一样的人。