Douch has this great view of the world where he believes that everything important is understandable by a single human. By important, he means underlying base theories that drive most of reality. And he fixates on four theories. The theory of epistemology, the theory of evolution by natural selection, quantum theory and his theory of computation. These four are fascinating. It's probably worth touching on each one for various listeners. What is interesting about each of these theories? What is the break through here that be non obvious?