Final answer:
Lady Macbeth speaks these lines to Macbeth, instructing him to appear innocent while hiding his ambitious intentions, which were influenced by the witches' prophecy.
Step-by-step explanation:
The lines "Your face, my thane, is as a book where men may read strange matters. To beguile the time, look like the time; bear welcome in your eye, your hand, your tongue: look like the innocent flower, but be the serpent udert...Leave all the rest to me" are spoken by Lady Macbeth to Macbeth. She is instructing him on how to deceive others and hide his true intentions of usurping the Scottish throne following the prophecy given by the witches.