Anne Conway

Anne Conway

The word monad is Leibniz's signature, the name of the simple living units out of which his whole universe is built. But the idea, and very nearly the word's philosophical use, reached him from a short book by a woman who had been gone a decade when he read it. Anne Conway, Viscountess Conway, wrote a single treatise, published only after her lifetime, that dissolved the mind-and-matter dualism of her century into one living substance and filled the world with infinitely divided spirits she called monads. Leibniz read it, adopted the term, and told his correspondents that his own philosophy came close to hers. For three hundred years she was remembered, if at all, as the woman who influenced Leibniz. She was in fact one of the most original metaphysicians of the seventeenth century.

One substance, and it is alive. Conway's age offered three pictures of what the world is made of. Descartes said two utterly different substances, thinking mind and extended matter; Hobbes said matter only; Spinoza said one substance, but a cold and necessary one. Conway rejects all three. There is, she argues, only one kind of created substance, and it is spirit, living and capable of perception. What we call body is not a second, alien kind of stuff but spirit grown dense, fixed, and sluggish; matter is congealed spirit. Mind and body therefore differ only in degree, not in kind, and everything that exists, down to the dust, is in some measure alive.

Why dualism cannot stand. Her case against Descartes is sharp and turns his own difficulty against him. If mind and body were truly different in their whole nature, they could never act on one another, for things share causal traffic only where they share something in common; yet mind and body plainly do affect each other at every moment. The dualist is left with an interaction he cannot explain. Conway's monism cuts the knot: the two communicate because they are, at bottom, one nature at different degrees of density. What Descartes had split she joins, and she joins it on the side of life rather than of dead extension.

The three species. Reality, for Conway, falls into three kinds of being. There is God, wholly unchanging, pure goodness, the source of all. There are the creatures, changeable in both directions, able to rise toward perfection or sink toward deadness. And between them stands what she calls the middle nature, identified with Christ, mutable but only ever toward the good, the mediator that bridges the otherwise infinite distance between an unchanging God and a changing world. The middle term is doing real metaphysical work: it explains how the perfect and the imperfect can touch at all.

Monads all the way down. Every creature, on Conway's account, is composed of an infinity of spirits or particles, and each of those is itself a living creature, divisible again without end. There is no smallest part, no dead atom at the bottom; the world is alive at every scale, an unbounded nesting of living units. These are the monads that Leibniz, reading her through their mutual friend the physician Francis Mercury van Helmont, would carry into his own system. Where the atomists had built the world from inert, indivisible bits, Conway builds it from inexhaustible life.

A perfectible cosmos. Because all things share one living nature, all things can change their place on the scale of being. A creature can grow more refined, more alive, more nearly spiritual, or, through wrongdoing, more condensed and deadened, but nothing is ever annihilated, and Conway holds that in the end every creature is restorable, drawn back up toward God. Suffering itself, on this view, is purgative rather than final, a means by which the dense is refined, a teaching that bore directly on a thinker who lived with severe and constant pain. The universe she describes is a single graduated continuity of life, in which the lowest thing is on its long way up.

What this room reads. Conway's only work, The Principles of the Most Ancient and Modern Philosophy, was written in the 1670s and published after her lifetime, in Latin in 1690 and in an English version in 1692. The 1692 English text is public domain, but no clean digital transcription of it is freely available, and the scans that survive are modern critical editions still under copyright. This room therefore does not yet carry a primary-text corpus: the chat answers from training knowledge, says so plainly, and cites the Principles by chapter and section. Her circle was the Cambridge Platonists, above all Henry More, who taught her and corresponded with her for years, and van Helmont, the Kabbalist physician who linked her thought to Leibniz.

Restored at last from the footnotes, Conway stands as a system-builder of the first rank, who dissolved the Cartesian split into a single living substance, imagined a cosmos alive and perfectible down to its smallest particle, and handed the monad to the philosopher who would make it famous. Leibniz drew on her; Henry More and the Cambridge readers of Plato were her company; she set herself against the dualism of Descartes and the materialism that Hobbes pressed; and her vitalist monism makes a sharp and instructive pair with Margaret Cavendish, the other great woman philosopher of the English seventeenth century, who arrived at a vitalism of her own from the materialist side. Read now, Anne Conway is the proof that a single short, strange, posthumous book can change the course of philosophy.