The 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 FreudI have an infamously low capacity for visualizing relationships, which made the study of geometry and all subjects derived from it impossible for me.
Sigmund FreudA collection to which nothing can be added and from which nothing can be removed is, in fact, dead!
Sigmund Freud