De Niro As Hilarious Patronizing Satan

The movie Angel Heart with Mickey Rourke and De Niro is undeservedly forgotten (how could it be bad with those two in the same movie?) And, spoiler alert, De Niro plays the devil (but you don't know that until the end). Easily my favorite De Niro role. How can you not just roll on the floor at his mockery of concern for others and decency in general in these scenes: