Children are completely egoistic; they feel their needs intensely and strive ruthlessly to satisfy them.
Sigmund FreudA civilization which leaves so large a number of its participants unsatisfied and drives them into revolt neither has nor deserves the prospect of a lasting existence.
Sigmund FreudThe 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.
Sigmund FreudOnly the real, rare, true scientific minds can endure doubt, which is attached to all our knowledge.
Sigmund FreudThe ego is first and foremost a bodily ego; it is not merely a surface entity, but is itself the projection of a surface. If we wish to find an anatomical analogy for it we can best identify it with the 'cortical homunculus' of the anatomists, which stands on its head in the cortex, sticks up its heels, faces
Sigmund Freud