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"We are all in the gutter, but some of us are looking at the stars."

We don’t start with models. We start with data. We don’t have any preconceived notions. We look for things that can be replicated thousands of times. A trouble with convergence trading is that you don’t have a time scale. You say that eventually things will come together.Well， when is eventually？

在現實世界中，很多惡行并非源于惡意。

We must listen to the science and act with urgency to address global energy challenges.

煤炭使美國在世界范圍內保持競爭力。