"He was right. They could have a whole conversation without exchanging a word. And the conversation they had right now went like this: Colin, shut it. I don’t think I will, M. Then I’ll make you. Really? How?I’m not certain, but it will be slow and painful. And I won’t leave any evidence."

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Progress is achieved by exchanging our theories for new ones which go further than the old, until we find one based on a larger number of facts. ... Theories are only hypotheses, verified by more or less numerous facts. Those verified by the most facts are the best, but even then they are never final, never to be absolutely believed.

— Claude Bernard