I believe without exception that theory follows practice. Whenever there is a conflict between theory and practice, theory is wrong. As far as I'm concerned, we make theories for what people have done.
I am an American. Black. Conservative. I don't use African-American, because I'm American, I'm black and I'm conservative. I don't like people trying to label me. African- American is socially acceptable for some people, but I am not some people.