I remember first reading about this concept when I was a teenager, and it struck me as rather arrogant. Now, as I’ve aged through years and experience, the meaning behind ‘thou art God/dess’ takes on a different meaning.
Many pagans see Nature, and everything within Nature, as part of the Divine. Why not us? As we try to connect and attune to the natural rhythms of the world, surely, we can feel that we are part of something bigger than ourselves.
When casting circle, or after casting a spell, sit quietly in mediation with ‘empty mind’. Concentrate on your breathing. When you are ready, ask your question and wait for an answer.
Sometimes you can feel a presence, see visions, or ‘hear’ a voice that will provide answers.