Yoga is the settling of the mind into silence. When the mind has settled, we are established in our essential nature, which is unbounded Consciousness. Our essential nature is usually overshadowed by the activity of the mind.
PatanjaliWhen there is firm conquest over covetousness, they who have conquered it wake up to the how and why of life.
PatanjaliYoga is the cessation of the movements of the mind. Then there is abiding in the Seer's own form.
PatanjaliHere is, in truth, the whole secret of Yoga, the science of the soul. The active turnings, the strident vibrations, of selfishness, lust and hate are to be stilled by meditation, by letting heart and mind dwell in spiritual life, by lifting up the heart to the strong, silent life above, which rests in the stillness of eternal love, and needs no harsh vibration to convince it of true being.
Patanjali