The Twilight Zone, Season 1

Narrator:
You're looking at a tableau of reality, things of substance, of physical material: a desk, a window, a light. These things exist and have dimension. Now this is Arthur Curtis, age thirty-six, who also is real. He has flesh and blood, muscle and mind. But in just a moment we will see how thin a line separates that which we assume to be real with that manufactured inside of a mind.