A Philosophical Dictionary, Volume 8

We have already asked, with the judicious Locke, what is the boundary of distinction between the human and merely animal figure; what is the point of monstrosity at which it would be proper to take your stand against baptizing an infant, against admitting it as a member of the human species, against according to it the possession of a soul? We have seen that this boundary is as difficult to be settled as it is difficult to ascertain what a soul is; for there certainly are none who know what it is but theologians.

Why should the satyrs which St. Jerome saw, the offspring of women and baboons, have been reputed monsters? Might it not be thought, on the contrary, that their lot was in reality happier than ours? Must they not have possessed more strength and more agility? and