There is knowledge of God and the spiritual nature of man, as well as other types of reality..., that are not reducible to the world dealt with by the so-called "natural" sciences. The idea that knowledge - and, of course, reality - is limited to that world is the single most destructive idea on the stage of life today.
Dallas WillardHappiness in reality consists only in rest, and not in being stirred up. This instinct conflicts with the drive to diversion, and we develop the confused idea that leads people to aim at rest through excitement.
Dallas WillardWe renovate the heart by, of course, changing it, but we can't do that, really, without changing the other essential parts of the human personality.
Dallas WillardFasting confirms our utter dependence upon God by finding in Him a source of sustenance beyond food.
Dallas WillardWe don't save our soul and leave our emotions and our feelings and our body and all the rest of it out. That's just a way of talking that emphasizes the soul is so fundamental that we can, in some cases, treat it as the whole person because it actually is the thing that integrates all of these aspects of the self and makes them work together. Now, I don't think we can find a passage in the Bible that says that. We have to read and study how it addresses the soul, and we then see that it is the deepest, most vital part of the human self.
Dallas Willard