Throughout Shakespeare's tragic play, Macbeth, many quotes on the manipulative nature of man (and woman) can be found.
Come, you spirits
That tend on mortal thoughts, unsex me here,
And fill me from the crown to the toe top-full
Of direst cruelty!
Here, Lady Macbeth is trying to manipulate the laws of nature in order to become what she needs to be so that she can take the crown for her husband, Macbeth.
Was the hope drunk
Wherein you dress'd yourself? Hath it slept since?
And wakes it now, to look so green and pale
At what it did so freely? From this time
Such I account thy love. Art thou afeard
To be the same in thine own act and valour
As thou art in desire? Wouldst thou have that
Which thou esteem'st the ornament of life,
And live a coward in thine own esteem,
Letting "I dare not" wait upon "I would,"
Like the poor cat i' the adage?
Here, Lady Macbeth is questioning Macbeth's manhood. She believes him to be too weak to do what needs to be done (murder Duncan). Again, Lady Macbeth is being manipulative.
Help me hence, ho!
In this quote, Lady Macbeth is faking that she is ill (given she was just told about Duncan's death). Lady Macbeth knows that fingers will point at Macbeth, given the murder happened in their home. In order to move suspicion away from her husband, she acts ill. Again, Lady Macbeth's manipulative nature is seen.
Both of you
Know Banquo was your enemy.
Here, Macbeth is telling the murderers that Banquo is their enemy. He is doing this to manipulate the men's emotions so that they will agree to murder Banquo.
Had I but died an hour before this chance,
I had lived a blessed time; for, from this instant,
There 's nothing serious in mortality:
In this quote, Macbeth is manipulating the atmosphere in his castle. Macduff, Malcolm and Lennox have just found out that Duncan has been murdered. Macbeth knows that the blame needs to fall on someone other than himself. In order to show his love of the king, Macbeth states that his life is now horrible given Duncan is dead.
In the same scene, after claiming that he did not know about Duncan's murder, Macbeth admits to knowing and that he killed the Duncan's servants out of rage.
O, yet I do repent me of my fury,
That I did kill them.
Here, Macbeth is manipulating the situation in order to prove his loyalty to Duncan.