The Yoga Sutras of Patanjali

16. The consummation of this is freedom from thirst for any mode of psychical activity, through the establishment of the spiritual man.

In order to gain a true understanding of this teaching, study must be supplemented by devoted practice, faith by works. The reading of the words will not avail. There must be a real effort to stand as the Soul, a real ceasing from self-indulgence. With this awakening of the spiritual will, and purification, will come at once the growth of the spiritual man and our awakening consciousness as the spiritual man; and this, attained in even a small degree, will help us notably in our contest. To him that hath, shall be given.