" As Dawkins goes on to say (p. 316), “The one thing that makes evolution such a neat theory is that it explains how organized complexity can arise out of primeval simplicity.” This is one of the key strengths of Darwin’s idea, and the key weakness of the alternatives. In fact, I once argued, it is unlikely that any other theory could have this strength: "

― Daniel C. Dennett , Darwin's Dangerous Idea: Evolution and the Meanings of Life