"Ken Wilber is one of the most important pioneers in the field of consciousness in this century. Read everything he writes. It will change your life."—Deepak Chopra, M.D.
"When Ken Wilber’s thought walks through your mind, the door to the next higher level becomes visible. Anyone seeking to update the wisdom traditions of their lineage needs his reality and consciousness maps. The kabbalah of the future will lean on Ken’s work."—Reb Zalman Schachter-Shalomi
"After reading Wilber, it’s impossible to imagine looking at the world the same way again."—Mitchell Kapor, founder of Lotus, Inc.
"Wilber blends a perceptive sensitivity to the nuances of spiritual life with a profound intellectual sophistication. The upshot is a pleasure to read: accessible, deep, provocative, and ultimately very moving."—Michael Lerner, author of Spirit Matters and The Politics of Meaning
"The twenty-first century literally has three choices: Aristotle, Nietzsche, or Ken Wilber."—Jack Crittenden, Ph.D., author of Beyond Individualism