Macbeth visits the witches again in act iv, but he is unwilling or unable to understand the truth of their predictions.

how does this illustrate one of the play’s major themes?

it shows how deep guilt over his misdeeds can lead one to subconsciously long for his own downfall.

it shows how an infatuation with committing evil deeds can poison a person’s rational mind.

it shows how power can make a person arrogant and blind to danger.

it shows how sexism can prevent one from recognizing threats because they are spoken by women.

It shows how power can make a person arrogant and blind to danger.

Explanation: The witches represent the limits of reason and sensibity. They are the ones who make Macbeth's dark side evident. In this case , Macbeth's thirst for power is percieved. In spite of the fact they try  to warn Macbeth about possible danger , he cannot ,or does not want to understand what they mean. He just wants to become king and orders to kill the Macduff's family.

the turtle carries new life, oat seeds, over to the other side of the highway and plants them there.