Cruelty and intolerance to those who do not belong to it are natural to every religion.

I no longer believe that William Shakespeare the actor from Stratford was the author of the works that have been ascribed to him.

I no longer count as one of my merits that I always tell the truth as much as possible; it has become my metier.

The unconscious of one human being can react upon that of another without passing through the conscious.

Obsessional prohibitions are extremely liable to displacement. They extend from one object to another along whatever paths the context may provide, and this new object then becomes, to use the apt expression of one of my women patients, 'impossible' - till at last the whole world lies under an embargo of 'impossibility'.

In so doing, the idea forces itself upon him that religion is comparable to a childhood neurosis, and he is optimistic enough to suppose that mankind will surmount this neurotic phase, just as so many children grow out of their similar neurosis.

The behavior of a human being in sexual matters is often a prototype for the whole of his other modes of reaction in life.