The Heart of Yoga: Developing a Personal Practice

by T.K.V. Desikachar

Whether the king is puruṣa or Īśvara, rāja yoga refers to the kind of yoga where the king takes his rightful place. In the Yoga Sūtra it says that when there is no more restlessness in the mind, puruṣa will unfold and see. That is rāja yoga.