The battle of yoga is with the body and with the ego. You must conquer your ego, or small self, so that you can let your soul, your big Self, be victorious.
B.K.S. IyengarYoga, an ancient but perfect science, deals with the evolution of humanity. This evolution includes all aspects of one's being, from bodily health to self realization. Yoga means union - the union of body with consciousness and consciousness with the soul. Yoga cultivates the ways of maintaining a balanced attitude in day to day life and endows skill in the performance of one's actions.
B.K.S. IyengarFocus on keeping your spine straight. It is the job of the spine to keep the brain alert.
B.K.S. IyengarThe physical body is not only a temple for our soul, but the means by which we embark on the inward journey toward the core.
B.K.S. Iyengar