"Concomitantly, the shift away from intuitions of simple natures is accompanied by a shift away from abstraction, as the epistemic model for gaining knowledge, to a model that requires many of our core ideas to be innate in the mind. Thus, in place of the earlier methods of abstracting by direct intuition and compunding from sensuous and non-sensuous experience, increasingly Descartes brings to the fore the view that knowledge always involves innate ideas."