Without a god, life is only a matter of opinion.
Then we began to understand that when we get down to the sub-atomic level, the solid world we live in also consists, again rather worryingly, of almost nothing and that wherever we do find something it turns out not to be actually something, but only the probability that there may be something there.
Money is a completely fictitious entity, but it’s very powerful in our world; we each have wallets, which have got notes in them, but what can those notes do? You can’t breed them, you can’t stir fry them, you can’t live in them, there’s absolutely nothing you can do with them that’s any use, other than exchange them with each other – and as soon as we exchange them with each other all sorts of powerful things happen, because it’s a fiction that we’ve all subscribed to.
If you try and take a cat apart to see how it works, the first thing you have in your hands is a non-working cat.