Drive/Instinct

"The whole flux of our mental life and everything that finds expression in our thoughts are derivations and representatives of the multifarious instincts [drives] that are innate in our physical constitution" (Freud, 1932c, p. 221).

"[T]he "instinct [drive]" appears to us as a concept on the frontier between the mental and the somatic, as the psychical representative of the stimuli originating from within the organism and reaching the mind, as a measure of the demand made upon the mind for work in consequence of its connection with the...