Lennox is an honest and loyal than, and he is always aware of the dangers of excessive ambition. After Macbeth murders king Duncan, Lennox voices his suspicions about Macbeth's guilt. He also warns Macbeth that his violent deeds will eventually catch up to him.
Despite Lennox's warnings, Macbeth continues to descend deeper into madness. At the end of the play, Lennox stands by Macduff as they defeat Macbeth. He then witnesses the rise of Malcolm to the Scottish throne.
Leannox is a complex character who is both loyal to Macbeth and critical of his actions. He represents the voice of reason in the play, and he helps audiences to see the consequences of Macbeth's brutal tyranny.