D.--That you "come out" rather well for a fool.
Can it be that I have been entertaining an angel unawares?
F.--Dismiss the apprehension: I am as great a fool as yourself. But
there is a way by which in future you may resolve a similar doubt.
D.--Explain.
F.--Speak to your guest of symptomatic diagnosis. If he is an angel,
he will not resent it.
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