What google print is good for (2)...
But although his ideas are often dismissed, many thinkers, including the immodest Freud himself, have described his contribution as equivalente to that of Copernicus and Darwin, because all three have systematically dislodged human beings from thinking of themselves as the center and pinnacle of the universe (Burtt, 1954; Butterfield, 1960; Koyre, 1968). Copernicus informed us that the planets do not revolve around the planet Earth, but instead around the sun; Darwin helped us realize that humans are not categorically different from other animals, but instead share common ancestry; and Freud showed how irrational and biologically determined we are, thereby helping us see that our behavior is less intelligente and God-like than we previously thought.