"Is this a dagger which I see before me"
Since the play was published in 1623 the story of MacBeth (protagonist) and the three witches (The Weird Sisters) has permeated into literature and music everywhere. Modern pop-culture makes reference to the various themes explored in MacBeth, including ambition, the concept of fate and what manhood means.
While search a planet for missing crewmen, Kirk and his landing party see three apparitions that appear as witches and warn them not to proceed any further (Episode Name: Catspaw)