10. Not the substantial form, which we know less.
Those, therefore, who have been taught that the several species
of substances had their distinct internal substantial forms, and that it was those forms which made the distinction
of substances into their true species and genera, were led yet further out of the way by having their minds set upon
fruitless inquiries after "substantial forms"; wholly unintelligible, and whereof we have scarce so much as any
obscure or confused conception in general.
