By showing Macbeth's tragic descent into madness and violence due to his ambition, Shakespeare aim to caution the audience against the perils of letting personal desires for power override morality.
Political context
Written during the Jacobean era, the play is interpreted as a way to support the legitimacy of the monarchy by depicting the disastrous consequences of regicide.
Supernatural elements
The witches prophecies are used to highlight the manipulative nature of fate and how easily individuals can be swayed by allure of power even when it is presented through supernatural means
Exploration of guilt and paranoia

The play vividly portrays the psychological torment the Macbeth experiences after committing murder, showing the destructive impact of guilt and the nature of power gained through violence.
