Finding order in randomness. Finding randomness in order.

There are 2 worlds we as humans experience - the physical world governed by the laws of physics, and the mental world enabled by a physical object, namely our brain, but which gives rise to "worlds" that may or may not ever have a direct physical manifestation. All ideas and thoughts in our brains can be completely expressed in the physical world but many of them do not have direct physical manifestations. The creative interactions, evolution and improvements of ideas can only happen in one object in the universe that we know of - the human brain. This seemingly simple idea is probably one of the most important pieces of knowledge I have acquired in the last couple of years (I have David Deustch and his books/podcasts to thank for this). The world of ideas, knowledge is a different world altogether from the physical world. And there are many of these abstract worlds - mathematics, morality, art etc. And the theories that govern them are not physical i.e. they are beyond th...