“The reason Milton wrote in fetters when he wrote of Angels and God, and at liberty when of Devils and Hell, is because he was a true poet and of the Devils' party without knowing it.”

"Heartattack and Vine", Heartattack and Vine (1980).

Variant: Even the devil may cry when he looks around hell and realizes that he’s there alone.
Source: Devil May Cry

William of Baskerville
The Name of the Rose (1980)

Source: The Last Romantic, television documentary on Vladimir Horowitz

Noir comme le diable, chaud comme l'enfer, pur comme un ange, doux comme l'amour.
frequently misattributed to Talleyrand, no primary source exists, its not his style of speech, and he famously drank tea not coffee.
Misattributed

Source: Angelology

"Black Vulmea's Vengeance" (1938)

Distorted Angel
Song lyrics, All This Useless Beauty (1996)