You realize of course, Barnar, that it is simply not possible that we're actually doing this?" "I've come to the same comforting conclusion, old frie… - Michael Shea

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You realize of course, Barnar, that it is simply not possible that we're actually doing this?"
"I've come to the same comforting conclusion, old friend. Therefore let's away—an impossibility can only do us an unreal sort of harm, after all.