Except for the sound of the rain, on the road, on the roofs, on the umbrella, there was absolute silence: only the dying moan of the sirens continued for a moment or two to vibrate within the ear. It seemed to Scobie later that this was the ultimate border he had reached in happiness: being in darkness, alone, with the rain falling, without love or pity.
Scientists rightly resist invoking the supernatural in scientific explanations for fear of committing a god-of-the-gaps fallacy (the fallacy of using God as a stop-gap for ignorance). Yet without some restriction on the use of chance, scientists are in danger of committing a logically equivalent fallacy-one we may call the chance-of-the-gaps fallacy. Chance, like God, can become a stop-gap for ignorance.