Nature

Anyone reading Sigmund Freud’s original works might well be seduced by the beauty of his prose, the elegance of his arguments and the acuity of his intuition. But those with a grounding in science will also be shocked by the abandon with which he elaborated his theories on the basis of essentially no empirical evidence.

‘Psychology: A Reality Check’, Nature, vol. 461, no. 7266 (October 15, 2009), p. 847