Louie C.K. Comedian and Masturbator on Masturbation

I’ll masturbate to you and there’s nothing you can do about it… I will find a way to quote this in my daily life. Men who masturbate daily have a reduced chance of developing prostate cancer. It almost seems like God wants you to masturbate.
Louie C.K: I'll masturbate to you and there's nothing you can do about it...
Stop what you are doing and go watch this video, it will change your life. You can actually see the point where her innocence was destroyed.

Can somebody please tell me where in the Bible it says that masturbation is a sin?