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User thinking is more important than traffic thinking.
The best science often comes from asking the simplest questions.
You cannot always control what goes on outside. But you can always control what goes on inside.
The best thing about a boolean is even if you are wrong, you are only off by a bit.
我喜欢讲故事,而不是告诉观众该怎么想。我喜欢把它摆在那里,让他们自己决定。