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Anything that helps you develop your inner world would be helpful. Win Wenger's book The Einstein Factor was my introduction to the field of personal developmen
by teslabox 11y ago
Anything that helps you develop your inner world would be helpful. Win Wenger's book The Einstein Factor was my introduction to the field of personal development.
http://winwenger.com/einfact.htm http://winwenger.com/einfact.htm