You know Obamacare is really I think the worst thing that has happened in this nation since slavery, and it is in a way, it is slavery in a way, because it is making all of us subservient to the government, and it was never about health care. It was about control.

As quoted in "Ben Carson: Obamacare worst thing 'since slavery'", Washington Post (October 11, 2013)

Ben Carson: Obamacare worst thing 'since slavery' - The Washington Post[washingtonpost.com]