First off what is substance? We got to get a handle on that word in order to know what Dallas Willard is talking about. At a minimum, it means that something is capable of independent existence. But it means more than that and Michael Stewart Robb tries his best to do a little philosophy with you to get to Dallas's understanding of spiritual. BE INFORMED and PRAY for us better by signing up for the Sanctus newsletter: https://sanctus.institute/​