We think of the world in terms of stones, mountains, clouds, and people, and this is “the world for us.” About the world independent of us we know a good deal, without knowing how much this good deal is.
Our thinking is prey to its own weakness, but even more so to its own grammar. It takes only a few centuries for the world to change: from devils, angels, and witches to atoms and electromagnetic waves. It takes only a few grams of mushrooms for the whole of reality to dissolve before our eyes, before reorganizing itself into a surprisingly different form. It only takes the experience of spending time with a friend who has suffered a serious schizophrenic episode, a few weeks with her struggling to communicate, to realiz