A Clockwork Orange (1971)

Alex: No. No! NO! Stop it! Stop it, please! I beg you! This is sin! This is sin! This is sin! It's a sin, it's a sin, it's a sin!
Dr. Brodsky: Sin? What's all this about sin?
Alex: That! Using Ludwig van like that! He did no harm to anyone. Beethoven just wrote music!