ed ▁that ▁Ban qu o ' s ▁dream s ▁have ▁nothing ▁to ▁do ▁with ▁him ▁killing ▁the ▁king , ▁but ▁that ▁they ▁have ▁revealed ▁to ▁him ▁Mac b eth ' s ▁blo ody ▁nature . ▁They ▁argue ▁that ▁Ban qu o ▁is ▁merely ▁setting ▁aside ▁his ▁sword ▁for ▁the ▁night , ▁but ▁when ▁Mac b eth ▁approaches , ▁Ban qu o , ▁having ▁had ▁these ▁dark ▁dream s ▁about ▁Mac b eth , ▁takes ▁back ▁his ▁sword ▁as ▁a ▁pre ca ution . ▁In ▁any ▁case , ▁this ▁scene ▁adds ▁to ▁the ▁dark , ▁uncertain , ▁un sett ling ▁tone ▁of ▁the ▁play . ▁Fle ance ▁and ▁his ▁father ▁are ▁not ▁even ▁certain ▁of ▁what ▁time ▁it ▁is ▁throughout , ▁as ▁Fle ance ▁says ▁when ▁asked ▁at ▁the ▁beginning ▁of ▁the ▁scene ▁" The ▁moon ▁is ▁down ; ▁I ▁have ▁not ▁heard ▁the ▁clock ." ▁ ▁The ▁two ▁scenes ▁in ▁which ▁murder ers ▁attack ▁Ban qu o ▁and ▁Fle ance , ▁Lady ▁Mac du ff ▁and ▁Mac du ff ' s ▁son , ▁have ▁been ▁compared ▁to ▁Her od ' s ▁attempt ▁to ▁murder ▁Christ ▁and ▁save ▁the ▁throne ▁for ▁himself ▁by ▁killing ▁all ▁new - born ▁children ▁in ▁Beth le hem . ▁The ▁conversation ▁between ▁Fle ance ▁and ▁Ban qu o ▁in ▁their ▁own ▁murder ▁scene ▁is ▁especially ▁dark . ▁Ban qu o ' s ▁first ▁line ▁from ▁within ▁" G ive ▁us ▁a ▁light ▁there , ▁ho !" ▁communic ates ▁the ▁night time ▁setting . ▁The ▁stage ▁direction ▁" Enter ▁B