Romans 1:19-21 to demonstrates, among other things, the nature of revelation and the benefits and demands flowing from it. All men witness the glory of God and owe Him allegiance, for the oceans, mountains, and forests attest to His existence and authority as much as the consciousness that absorbs and categorizes these experiences. No man possesses excuse. Nonetheless, he proceeds to explain that this revelation, known as general revelation, does not lead to salvation, for sin has corrupted man's ability to acknowledge the Lord as God.