Meditation, then, is not so much a part of this or that particular religion, but rather part of the universal spiritual culture of all humankind--an effort to bring awareness to bear on all aspects of life. It is, in other words, part of what has been called the perennial philosophy.
Ken Wilber (2001). “Grace and Grit: Spirituality and Healing in the Life and Death of Treya Killam Wilber”, p.78, Shambhala Publications
