Christianity asserts that every individual human being is going to live for ever, and this must either be true or false. Now there are a good many things which would not be worth bothering about if I were going to live only seventy years, but which I had better bother about very seriously if I am going to live for ever. Perhaps my bad temper or my jealousy are gradually getting worse - so gradually that the increase in seventy years will not be very noticeable. But it might be absolute hell
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