Macbeth and his wife show how bad the evil that can possess human souls is. But evil is not all powerful. On the one hand, Macbeth is the gloomiest of the great Shakespeare’s tragedies; on the other hand, it’s more encouraging than Hamlet, Othello or King Lear. In no other tragedy as in Macbeth the evil is confronted by so many people, and nowhere else they are so active.