"Unexpressed emotions will never die. They are buried alive and will come forth later in uglier ways."

"All of us are a little mad."

"A man who has been the undisputed favorite of his mother retains throughout life the triumphant feeling, the confidence in success, which not seldom brings actual success with it."

"The unconscious is the larger circle which includes within itself the smaller circle of the conscious."

"The greater the progress of science, the more it pushes back the limits of the unknown, but also the more it reveals the immensity of the unknown."