He has prepared a way of escape. That way is through repentance and faith in His Son. God sent His Son to be the answer to His anger. Lessons Learned Divine revelation is sufficient. God has revealed himself to man so that he is left without excuse.
Human sin is deliberate.
Men deliberately turned away from God and resolved not to know Him. Human development is downward. Man is not getting better and better. He is de-evolving into a being less than what he was created to be. Human evil is progressive.