An illusion of a portrait. It holds your attention and makes you examine it. At first the man's face appears to look like it's only half of his face is showing, but once you look at it, you notice that it's also a profile view of the man's face. I think it's a clever and classic design example.
"Come what come may, Time and the hour runs through the roughest day." (Act 1, Scene 3) - This quote demonstrates Macbeth's ability to dismiss his violent thoughts that seem to bother him. Through this line, Macbeth is trying to say that no matter what happens, even the worst of days will come to an end, so he should stop worrying about what will happen, and let nature run its course.