Aristotle later takes up this notion in his Physics and On the Soul as the framework of Nature. Nature is phusis which means a “straining to emerge”. Living beings are always straining to emerge from non-being towards immortality. Because all living beings are born, decay and die, reproduction is the only option for immortality. Immortality is achieved in a perpetuation of the species. If this notion is beginning to sound a little too much like a reductionist materialism, it should. Baruch Spinoza will eventually make the implications of this notion starkly clear in his sixth proposition of Book III of his Ethics where he says: “all beings strive to persist in their own being.” Although Spinoza clearly rejects teleology his persistence of being becomes his telos. Unfortunately, he did not realize the ferocity of a Nature in perpetual persistence without a telos to guide it. If all beings are striving to persist in their own being what becomes of the Other? Where does personal sacrifice, substitution and giving-oneself-for-the-other fit in? How is ethics even remotely possible if my greatest concern is personal immortality and self-perpetuation? Is all of nature locked into a system “red in tooth and claw (Tennyson)?”