A man should not strive to eliminate his complexes but to get into accord with them: they are legitimately what directs his conduct in the world.

There are no mistakes.

Love and work, work and love...that's all there is.

Innately, children seem to have little true realistic anxiety. They will run along the brink of water, climb on the window sill, play with sharp objects and with fire, in short, do everything that is bound to damage them and to worry those in charge of them, that is wholly the result of education; for they cannot be allowed to make the instructive experiences themselves.

But the less a man knows about the past and the present the more insecure must prove to be his judgment of the future.

The poor ego has a still harder time of it; it has to serve three harsh masters, and it has to do its best to reconcile the claims and demands of all three...The three tyrants are the external world, the superego, and the id.

The facts which have caused us to believe in the dominance of the pleasure principle in mental life also find expression in the hypothesis that the mental apparatus endeavours to keep the quantity of excitation present in it as low as possible or at least to keep it constant.