David

“But I stopped believing there was a power of good and a power of evil that were outside us. And I came to believe that good and evil are names for what people do, not for what they are. All we can say is that this is a good deed, because it helps someone, or that's an evil one, because it hurts them. People are too complicated to have simple labels.”
― Philip Pullman, The Amber Spyglass

“grown-ups always say that things are complicated.”
― Nicholas Sparks, A Bend in the Road

“All you really need to know for the moment is that the universe is a lot more complicated than you might think, even if you start from a position of thinking it's pretty damn complicated in the first place.”
― Douglas Adams

“There's no limit to how complicated things can get, on account of one thing always leading to another.”
― E.B. White