He that has eyes to see and ears to hear may convince himself that no mortal can keep a secret. If his lips are silent, he chatters with his fingertips; betrayal oozes out of him at every pore.

The unconscious - that is to say, the 'repressed' - offers no resistance whatever to the efforts of the treatment. Indeed, it itself has no other endeavour than to break through the pressure weighing down on it and force its way either to consciousness or to a discharge through some real action.

So in every individual the two trends, one towards personal happiness and the other unity with the rest of humanity, must contend with each other.

We believe that civilization has been created under the pressure of the exigencies of life at the cost of satisfaction of the instincts.

Love is a state of temporary psychosis.

The virtuous man contents himself with dreaming that which the wicked man does in actual life.

Even if all parts of a problem seem to fit together like the pieces of a jigsaw puzzle, one has to remember that the probable need not necessarily be the truth and the truth not always probable.