anima anima humana animating force atman ba bathmism beating heart biological clock biorhythm blood breath breath of life buddhi divine breath divine spark ego elan vital essence of life force of life growth force heart heartbeat heartblood impulse of life inner man inspiriting force jivatma khu life breath life cycle life essence life force life principle life process lifeblood living force manes mind nephesh pneuma prana psyche purusha ruach seat of life shade shadow soul spark of life spirit spiritual being spiritus the self vis vitae vis vitalis vital energy vital flame vital fluid vital force vital principle vital spark vital spirit