 in various abilities, even in athletic ability, because he thought that they were inferior in both body and mind. He speculated that that might be true. But he said that has nothing to do with their rights. He said, Sir Isaac Newton may be my superior in every human respect, but that does not give him any right to control my person or my property. But Jefferson owned slaves. That comes the retort, no matter. So his speculation seemed to have trumped his ideology.