Hexis
ἕξις (hexis)
The lasting disposition, the acquired state: the stable way of being we adopt by repeating the same acts, and which habit engraves into our character. Nature offers us only the possibility of virtue; *hexis* is what we make of it. Moral virtue is a *hexis*—an acquired quality that depends on our will, not a fleeting feeling nor an innate ability. To be distinguished from purely natural aptitude, which no repetition confers, and from *energeia*, the actual exercise that puts this disposition to work.
Ainsi donc, la vertu est une habitude, une qualité qui dépend de notre volonté, consistant dans ce milieu qui est relatif à nous, et qui est réglé par la raison
The Greek word hexis (ἕξις) comes from ekhein, meaning “to have” or “to hold”: it is what one “holds,” what one has taken into oneself durably. Barthélemy-Saint-Hilaire translates it as “habit” or “way of being.” The French term is somewhat misleading, for it does not refer to the mechanical routine we call habit, but rather to the stable state of character—the temper one acquires and which, once formed, guides conduct of its own accord. For Aristotle, virtue is a hexis: not an isolated act, nor a fleeting emotion, but a fixed disposition.
This disposition is neither given nor innate: it is crafted. “Things in nature can never, through habit, become other than they are,” he writes—the stone thrown a thousand times will not take on the habit of rising. Virtues escape this determinism because they do not exist in us by nature alone—“nature has made us capable of them, and it is habit that develops and perfects them in us.” We receive the bare capacity; practice turns it into a definite quality. One becomes just by performing just acts, courageous by facing what must be faced.
Hence the canonical definition of moral virtue, where the verb “to be” denotes permanence: a hexis governed by reason, dependent on our will, and aiming at the mean relative to us. This mean is not a lukewarm average—it is the right point that deliberate choice reaches, and which prudence discerns in the particular. The disposition alone remains silent; a right will is needed for it to hold.
Hexis ≠ natural aptitude: the stone retains its weight, but character is forged—only what depends on us is praiseworthy or blameworthy. Hexis ≠ energeia: the disposition may lie dormant in a sleeping or inactive person, whereas the act itself is always at work. And hexis ≠ eudaimonia: virtue is the acquired state from which happiness flows, but happiness is not that state at rest—it is its exercise unfolding over a whole life.