Paul Tillich quotes (German born American Theologian and Philosopher, whose discussions of God and faith illuminated and bound together the realms of traditional Christianity and modern culture. 1886-1965)
Sigmund Freud quotes (Austrian neurologist and Founder of psychoanalysis. (father of prominent children's psychoanalyst Anna Freud), 1856-1939)
Carl Gustav Jung quotes (Swiss psychiatrist, Psychologist and Founder of the Analytic Psychology, 1875-1961)
