经济学的艺术在于理解规则与行为之间的微妙互动。
Something deeply hidden had to be behind things.
To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things, every single day.
The idea of a multiverse is a natural consequence of inflation, suggesting that our universe might be just one of many.