I regard physics as that subset of magic that works fairly reliably. I regard magick, in the traditional sense, as a kind of physics that we strive to understand and render more reliable. So it all comes down to the same thing, a quest to understand and manipulate the world with a self-consistent and coherent theory.
A clear conscience is absolutely essential for distinguishing between the voice of God and the voice of the enemy. Unconfessed sin is a prime reason why many do not know God's will.