"... Through the discipline of Yoga, both actions and intelligence go beyond these qualities [gunas] and the seer comes to experience his own soul with crystal clarity, free from the relative attributes of nature and actions. This state of purity is samadhi. Yoga is thus both the means and the goal. Yoga is samadhi and samadhi is Yoga...."
"... As asanas are refined they automatically become meditative as the intelligence is made to penetrate towards the core of being. Each asana has five functions to perform. These are cognitive, connative, mental, intellectual and spiritual...." B. K. S. Iyengar, writes in his discussions on the Yoga Sutras