Lucifer Morningstar: Once upon a time, there were two brothers… Kane and Abel. They fought, as brothers often do, over everything.
Marcus Pierce: What’s that supposed to be? Are we shaking hands or holding spiders?
Lucifer Morningstar: That’s you and your brother pummeling each other over a pet rock. And here’s you two scamps tugging on both ends of a snake.
Marcus Pierce: That’s not how it happened.
Lucifer Morningstar: Well, artistic license, my friend. The point is that you were always at each other’s throats. Until… you fought to the death. You killed Abel and became the world’s first murderer. Now, the part where my father marks you, cursing you to walk the earth for eternity, it’s tricky to draw…
From Lucifer – Season 3 Episode 16: ‘Infernal Guinea Pig’ (3×16)