Nonetheless, when these traces are fonned by a strong passion, and accompanied by a vecy violent agitation of the mother's blood and spirits, they act so forcefully on the child's brain and the rest of its body that they are imprinted there as deeply and durably as natural traces, as in the example from Sir Kenelm Digby, and that of the infant born crippled and an idiot, in whose brain and members the mother's imagination had produced such great ravages, and finally as in the example of the general corruption of man's nature.