Sweet is the lore which nature brings; Our meddling intellect Misshapes the beauteous forms of things; —We murder to dissect. Enough of science and of art; Close up these barren leaves; Come forth, and bring with you a heart That watches and receives.
Although, this is probably the harshest line in the poem and it seems to not quite belong with the wishful language. This often would raise the question of why it was included and what exactly it means. I believe it is trying to tell readers like myself that even though nature brings humankind intelligence within, often times it is ruined because we take the knowledge and dissect it, but we should come into it (nature) ready to learn with (like stated above) "a heart / That watches and receives"