By way of metaphor, one can describe the centre of the human experience as the being in the chest. And one can distinguish between fundamentally two different modalities, two modalities that you can experience the subject as, the subject being the self or the one that's experiencing. In Tasawwuf we refer to one modality as...
I heard of a conversation with the greatest guarders the time of the rasul (s.a.w.s) called Ubay. Umar ibn Khattab said to Ubay “Ya Ubay, what is taqwa?"