In Romans 12 Paul teaches us the impact that our mind can have upon our lives.

Romans 12:2 Do not conform any longer to the pattern of this world, but be transformed by the renewing of your mind.  (NIV)

 This is why spiritual insights are so critical to spiritual transformation.  This area is arranged topically.  While there may be some more abstract stuff here most of it is intended to be nitty gritty how-to sort of information.