By drawing our senses of perception inward, we are able to experience the control, silence, and quietness of the mind. This ability to still and gently silence the mind is essential, not only for meditation and the inward journey but also so that the intuitive intelligence can function usefully and in a worthwhile manner in the external world.

In: p. 12-13 - Light on Life: The Yoga Journey to Wholeness, Inner Peace, and Ultimate Freedom