God. I take the Biblical terms “heart, soul, mind, body” as each referring to the whole person, as this helps explain their rather fluid use in the Bible. They are not used in a Platonic sense, which would separate the person into a higher part (soul) and a lower part (body). The whole person chooses to sin or not to sin. The whole person should be loving God above all else. Sin is not some thing inside people that causes them to do as they do, but rather sin is the whole person oriented in the wrong