I want to get to the state of moral cleanliness.
The line you’re referring to I believe is from the poem, “Oh, Captain! My Captain!”
The lines refers to the fact that the North has won the Civil War (in the United States).
They arent a fan of nougat and want to show that despite how it sounds its actually bad for you
The author is trying to portray that all parts are important even though some may come smaller or larger than other. Nothing could happen as planned without the smaller of bigger parts