We are called to be stewards over all creation. One aspect that we do not necessarily think about is our energy, because we don’t see it as physical. It is such a part of us we seem to take it for granted. It is our vital force, the נשימת החיים, the nishmat chayyim-Hebrew for “Breath of Life,” called our Prana, the universal energy that infuses and vitalizes all matter, in Yoga.