The book by one of the leading theorists of transpersonal psychology compares the views of the most famous psychological schools and spiritual traditions on human evolution. An attempt is made to analytically solve the problem of achieving unity - or the Atman project - as the author calls it. The publishers thank Alexey Kuptsov, whose financial assistance and friendly support made the publication of this book possible. Translation from English edited by Alexander Kiselev Scientific editor, candidate of philosophical sciences Vladimir Maikov Serial design by Pavel Ivashchuk© Ken Wilber, 1980© Institute of Transpersonal Psychology, 2004© K. Kravchuk Publishing House, 2004© Design by ACT Publishing LLC, 2004 Circulation 3000 copies