我是世界上最幸福的人。也许其他人以前说过这样的话，但没有一个说得那么有道理。我甚至比简还要快乐；她只是微笑，我是大笑。
I am the happiest creature in the world. Perhaps other people have said so before, but not one with such justice. I am happier even than Jane; she only smiles, I laugh.
The only thing you have to fear is fear itself.
Every setback is a setup for a comeback.
The study of economics is ultimately the study of human behavior and its consequences.