All divisions are man-made.
You don't see any borders between countries from space. That's man-made, and one experiences it only when you return to Earth.
The rehabilitation of order as a universal principle, however, suggested at the same time that orderliness by itself is not sufficient to account for the nature of organized systems in general or for those created by man in particular.
Our body is part of nature. Our creations, they're not natural. We build things that aren't natural, but our bodies, they're part of that system.
When men make gods, there is no God!
The acceptance that all that is solid has melted into the air, that reality and morality are not givens but imperfect human constructs, is the point from which fiction begins.
Unnatural constructs - cities and medical pain management - have always seemed pretty good to me.
Laws of nature are human inventions, like ghosts. Laws of logic, or mathematics are also human inventions, like ghosts. The whole blessed thing is a human invention, including the idea that it isn't a human invention.
And Nature takes no account of moral consequences, of arbitrary conditions which we create, and which we feel obliged to maintain at any cost.
Place, time, life, death, earth, heaven are divisions and distinctions we make, like the imaginary lines we trace upon the surface of the globe.