Every man has inside himself a parasitic being who is acting not at all to his advantage.
The brain may be regarded as a kind of parasite of the organism.
The brain is an extraterrestrial organ. The brain is an alien intelligence.
It is more than likely that the brain itself is, in origin and development, only a sort of great clot of genital fluid held in suspense or reserved. This hypothesis would explain the enormous content of the brain as a maker or presenter of images.