"Asanas bring perfection in body, beauty in form, grace, strength, compactness, and the hardness and brilliance of a diamond."

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You must do the asana with your soul. How can you do an asana with your soul? We can only do it with the organ of the body that is closest to the soul - the heart. So a virtuous asana is done from the heart and not from the head. Then you are not just doing it, but you are in it. Many people try to think their way into an asana, but you must instead feel your way into it through love and devotion

— B.K.S. Iyengar