What does Frannie say about her grandmother, her church attendance and her Bible?

Frannie's grandmother attends church two times on Sundays, once in the morning and again in the afternoon. Sometimes her grandmother hits Frannie with her Bible, saying that perhaps some of the Bible's teachings will sink in that way. When Frannie says that the Bible shouldn't be a weapon, her grandmother says it's not a weapon but just what she has handy.