When an asana is done correctly the body movements are smooth, there is lightness in the body and freedom in the mind.
B.K.S. IyengarThe 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. IyengarOur flawed mechanisms of perception and thought are not a cause for grief, but an opportunity to evolve, for an internal evolution of consciousness that will also make possible, in a sustainable form, our aspirations toward what we call individual success and global progress.
B.K.S. IyengarThe needs of the body are the needs of the divine self, which lives through the body.
B.K.S. Iyengar