Nothing Exists but Atoms

The first principles of the universe are atoms and empty space. Everything else is merely thought to exist. The worlds are unlimited. They come into being and perish. Nothing can come into being from that which is not nor pass away into that which is not. Further, the atoms are unlimited in size and number, and they are borne along in the whole universe in a vortex, and thereby generate all composite things—-fire, water, air, earth. For even these are conglomerations of given atoms. And it ...

 Aristotle on Chance in Nature

There are some who make chance responsible for this cosmos and all worlds. For they say that by chance there came about a vortex and a motion of separating out and settling into this arrangement of the whole. And this itself is in fact mightily worth 30 wondering at. For they are saying that animals and plants neither are nor come to be by fortune, but that either nature or Intellect or some other such thing is the cause (for what comes into being from each seed is not whatever falls out, but...