"When shall we three meet again... When the battles' lost and won... Upon the heath/ There to meet with Macbeth."(1.1.1-80 The witches plan to meet Macbeth after a battle and are speaking in paradoxes.
'Till he unseamed [Macdonwald] from the nave to th' chops,/ And fixed his head upon our battlements."(1.2.24-25)This scene shows how ruthless Macbeth is on the battlefield.
"All hail Macbeth... Thane of Glamis... Thane of Cawdor... that shalt be king hereafter!"(1.3.51-53) The witches present Macbeth with the prophesy.
"[T]he King, who all-hailed me 'Thane of Cawdor' by which title, before, these Weird Sisters saluted me salutd me... with 'Hail king that shalt be.'"(1.5.7-10) Lady Macbeth hears about the prophecy and begins to plan.
"To his home before us. Fair and noble hostess,/ We are your guest tonight."(1.6.30-31 This scene shows King Duncan going into the Macbeths' home for the the night.
'False face must hisde what the false heart doth/ know'(1.7.95-96). As an example of the foul and fair motif this is significant because it shows how Macbeth wil be fully taking on what his wife and the wihches tell him.