How we cite our quotes: Citations follow this format: (Book.Chapter.Paragraph)
Quote #4
"There’s a story as when the mill changes hands, the river’s angry - I’ve heard my father say it many a time." (3.9.5)
Mr. Tulliver here is commenting on a legend that the river floods if the family mill ever gets a new owner, which reinforces the theme of the family home and also foreshadows the flood that concludes the novel.
Quote #5
"Ay, sir," said Luke, "you’d be a deal better here nor in some new place. I can’t abide new plazen mysen: things is allays awk’ard." (3.9.8)
Luke here concisely sums up the problem with leaving home: new places are awkward. Among other things home is a place of confidence since you know what to expect there.
Quote #6
Poor Mrs. Tulliver, it seemed, would never recover her old self - her placid household activity: how could she? the objects among which her mind had moved complacently were all gone [...] (4.2.2)
For Mrs. Tulliver "home" was rooted in her household possessions. Having lost those, Mrs. Tulliver is herself lost. These objects essentially anchored her and she is now set adrift and is confused.