Completely Destroy Sin
You have to destroy the world around you (metaphorically) to keep it from infecting you with sin until you glow brightly enough with the power of God to walk through the darkness without stumbling.
God of Metaphors
I challenge you to look around the next time you find yourself struggling to understand God or why He would do something one way or the other. You may find that the answer is in something as small as the flower by your front porch or as convenient as your best friend.