In yogic philosophy, our souls are comprised of five sheaths that begin at the periphery of the body, and move inwards to the most central core of our spirit. By practicing yoga, we dance our way through the interwoven sheaths, called koshas, which can be imagined like layers of an onion.  The objective is to move from the outer layers of purely physical sensation, to the infinite interior of our spiritual center. While studies of the five koshas could last a lifetime, we’ll cut straight to the depths of the deepest one: Anandamaya kosha. This is the radiant core of our...