A strong egoism is a protection against disease, but in the last resort we must begin to love in order that we may not fall ill, and must fall ill if, in consequence of frustration, we cannot love.

The price we pay for our advance in civilization is a loss of happiness through the heightening of the sense of guilt.

The aim of psychoanalysis is to relieve people of their neurotic unhappiness so that they can be normally unhappy.

The pleasure of satisfying a savage instinct, undomesticated by the ego, is uncomparably much more intense than the one of satisfying a tamed instinct. The reason is becoming the enemy that prevents us from a lot of possibilities of pleasure.

If children could, if adults knew.

I have never doubted that religious phenomena are only to be understood on the pattern of the individual neurotic symptoms familiar to us.

Where id was, there ego shall be.