Invisible Man by Ralph Ellison

I was sitting in a cold, white rigid chair and a man was looking at me out of a bright third eye that glowed from the center of his forehead. He reached out, touching my skull gingerly, and said something encouraging, as though I were a child. His fingers went away.

"Take this," he said. "It's good for you. " I swallowed. Suddenly my skin itched, all over. I had on new overalls, strange white ones. The taste ran bitter through my mouth. My fingers trembled.