Better the devil you know than the angel you don't

Listen, child—if you’re at a party with a hundred people and one of them is the devil, he’ll be the last one you’d suspect.

Let the devil catch you but by a single hair, and you are his forever

What the devil does the plot signify, except to bring in fine things?

The devil is in the details.

Perhaps God and the Devil danced hand in hand around every single electron.