"The way to get started is to quit talking and begin doing."
Natural experiments can provide valuable insights into economic questions.
Abstraction allows for a kind of freedom that representation sometimes doesn't.
J'ai tendu des cordes de clocher à clocher; des guirlandes de fenêtre à fenêtre; des chaînes d'or d'étoile à étoile, et je danse.
孤独对伟大的灵魂和恶人都有好处。
Man is by nature a reasonable being, but animals, other than man, are by nature instruments of brute force.
我思考历史的重量。
世界不是一个舞台，而是一个疯人院。演员不是表演者，而是囚犯。