Babies are not clean slates; there exist innate behaviors. We can get into a theoretical discussion of where these behaviors came from if you like, but I don't need a theoretical justification to observe that babies do in fact do things they haven't been taught to do.
Quite so, but this contradicts the original idea that everything is variants on something that has been heard before.
Another month has passed and here is a new rationality quotes thread. The usual rules are: