The general fact of surplus value, namely that the workmen does not get the full value of his labours, and that he is taken advantage of by the capitalist, is obvious.
My dad was a Marine. He was one of the Montford Point Marines. Those are the equivalent of the Tuskegee Airmen for Marines. He's a tough, tough guy. When I was 15 we had a fight, and I didn't speak to him for 10 years.