This meditation is called nontheistic, which doesn't have anything to do with believing in God or not believing in God, but means that nobody but yourself can tell you what to accept and what to reject.The practice of meditation helps us to get to know this basic energy really well, with tremendous honesty and warmheartedness, and we begin to figure out for ourselves what is poison and what is medicin, which means something different for each of us.
Pema Chödrön, The Wisdom of No Escape: And the Path of Loving Kindness
meditation, practice