“Sure, when we stop and think about it, we realize with a jolt that what we perceive is never the world directly, but rather our brain’s best guess at what that world is like … Still, we bank on the fact that our simulation is a reasonably decent one. If it wasn’t, wouldn’t evolution have weeded us out by now?” Rather the opposite, says Donald Hoffman: humans evolved as we did because our brains couldn’t process the world as it is (or not all of it).