“Revenge may be wicked, but it's perfectly natural.”
Reese Witherspoon - Becky Sharp

There's a conflict in every human heart, between the rational and irration, between good and evil. And good does not always triumph. Sometimes, the dark side overcomes what Lincoln called the "better angels of our nature".
G.D. Spradlin - General Corman

“The experiment taught me something about the plasticity of human nature. Not the evil, not the aggressiveness but a certain kind of malleability.”
Peter Sarsgaard - Stanley Milgram

“In my experience, evil is not a cultural phenomenon—it’s a human one.”
Mandy Patinkin - Jason Gideon

“Why do humans think they can rectify one evil with another?”
Tom Ellis - Lucifer Morningstar