Cape Fear, Raging Bull, Taxi Driver... If that is all he did that would be enough... Then he does Goodfellas, one of the best movies ever made. Only someone who thinks Picasso sucked as a painter could miss the contribution.
Mean Streets, Casino, Heat, Analyze This, Meet the Parents, The Godfather II
"A hard on should be gotten naturally or not at all"
From Analyze This when Billy Crystal suggested viagra to DeNiro.
Billy Crystal replied "I believe Mark Twain said that"