Not all men are worthy of love.

A religion, even if it calls itself a religion of love, must be hard and unloving to those who do not belong to it.

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.

When a love-relationship is at its height there is no room left for any interest in the environment; a pair of lovers are sufficient to themselves

At bottom God is nothing more than an exalted father.

A piece of creative writing, like a day-dream, is a continuation of, and a substitute for, what was once the play of childhood.

The state in which the ideas existed before being made conscious is called by us repression, and we assert that the force which instituted the repression and maintains it is perceived as resistance during the work of analysis.