I’m positive that in 100 years much of what I take to be true today will be proved to be wrong， maybe even embarrassingly wrong， and I try really hard to identify what it is that I am wrong about today.

The value of an economic model lies in its ability to explain and predict.

最好的水果来自热情、耐心和精准。

Think you're escaping and run into yourself. Longest way round is the shortest way home.