"we do not through our senses and cognition obtain any sort of direct knowledge about the world" (source section 'Knowledge')


"Our thoughts about objects are not representations of the external world, they are not inferred from experience, they are sensations of the external world (which J.J. Gibson would call direct perception), and are experienced directly." (source section 'Intentionality')

(My takeaway: Once we acknowledge the interpretation, there is no more need for puzzling about how the external universals etc. get into the mind.)