Sankhya yoga means analytical study of the soul and the body. He has very nicely... So this analytical study of the soul and body means so far, He has described the activities of the body. That is s??khya yoga. Just like a medical man has got full analysis—not full, to a portion—of this body, the anatomy, the physiology. They have studied how the veins are working, how different secretions are transforming into blood, how the heart is working. This is called analytical study.