最难坦白的不是犯罪的事情，而是荒谬和可耻的事情。
It is not the criminal things that are hardest to confess， but the ridiculous and shameful things.
Even a foolish person can still be right about most things. Most conventional wisdom is true.
Natural experiments can provide valuable insights into economic questions.
The goal of computation is the emulation of our synthetic abilities, not the understanding of our analytic ones.