@kabuda though here she is cajoling her husband to kill to be king, her words reveal the conniving nature of women in a relationship
Bear welcome in your eye, your hand, your tongue. Look like th’ innocent flower, but be the serpent under’t. He that’s coming must be provided for; and you shall put this night’s great business into my dispatch, which shall to all our nights and days to come give solely sovereign sway and masterdom (Act 1 Sc 5).
Look like the innocent flower but be the serpent underneath/under it