The different religions have never overlooked the part played by the sense of guilt in civilization. What is more, they come forward with a claim...to save mankind from this sense of guilt, which they call sin.

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

Love in the form of longing and deprivation lowers the self regard.

I take up the standpoint that the tendency to aggression is an innate, independent, instinctual disposition in man, and I come back now to the statement that it constitutes the most powerful obstacle to culture.

Every man has a right over his own life and war destroys lives that were full of promise; it forces the individual into situations that shame his manhood, obliging him to murder fellow men, against his will.

The goal towards which the pleasure principle impels us - of becoming happy - is not attainable: yet we may not - nay, cannot - give up the efforts to come nearer to realization of it by some means or other.

Man has, as it were, become a kind of prosthetic God.