The dislike of moral law and positive law is the leading edge of our antinomian age: this is where the attack on law begins. But the beating heart of the zeitgeist is the hatred of the ultimate law: modern antinomianism is fundamentally the hatred of Reality.
Reality, What Is, The Way Things Are—this is the ultimate law, the final constraint.
-from the Crunchy Notes blog.
That’s the root of Satan’s misery and evil, in my opinion. He’s trying to fight what is.