Mans most disagreeable habits and idiosyncrasies, his deceit, his cowardice, his lack of reverence, are engendered by his incomplete adjustment to a complicated civilisation. It is the result of the conflict between our instincts and our culture.

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.

Religion originates in the child's and young mankind's fears and need for help. It cannot be otherwise.

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

The ego is not master in its own house.

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.

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