Since the means to make such a distinction were missing, the defender of innate ideas will have to demonstrate that certain ideas could not have been acquired by reason. (blog.politics.ox.ac.uk)
At the other side of the spectrum, John Locke came to be known as the most ardent critic of these concepts, believing that there was no evidence for innate ideas whatsoever. (blog.politics.ox.ac.uk)
The longstanding dichotomy between innate ideas and a blank slate parallels a related dichotomy between emotions and rationality. (blog.politics.ox.ac.uk)