"

The alien’s form of life is (just, merely, simply) life, life as such: it is not so much a particular species as the essence of what it means to be a species, to be a creature, a natural being - it is Nature incarnate or sublimed, a nightmare embodiment of the natural realm understood as utterly subordinate to, utterly exhausted by, the twinned Darwinian drives to survive and reproduce. [2] Stephen Mulhall, On Film, London: Routledge 2001, p. 19.

- How to Read Lacan
5. Troubles with the Real: Lacan as a Viewer of Alien
Slavoj Zizek
http://www.lacan.com/zizalien.htm

"