You believe someone not because you have no doubts about them. Belief is not the absence of doubt. You believe someone because you don’t have enough doubts about them. I’m going to come back to the distinction between some doubts and enough doubts, because I think it’s crucial. Just think about how many times you have criticized someone else, in hindsight, for their failure to spot a liar. You should have known. There were all kinds of red flags. You had doubts. Levine would say that’s the wrong way to think about the problem. The right question is: were there enough red flags to push you over
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