Decline the invitation
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From: A night at the opera!
The opera? Six hours of dreary bellowing by fat women in horned helmets? You think not.
A chilly rejection
You politely inform the devil that you would rather spend the evening watching moss grow. He says little, but his eyes are full of reproach. He bows politely and takes his leave. You can just catch the muttered word 'philistine' as the door closes.