By Gerard V. Bradley, Public Discourse - “The world has never had a good definition of the word liberty, and the American people, just now, are much in want of one. We all declare for liberty; but in using the same word we do not all mean the same thing.” When Abraham Lincoln uttered these words on April 18, 1864 to a Baltimore audience, he contrasted those who meant by “liberty” each person’s proper moral self-government, “with others, [for whom] the same word may mean for some men to do as they please with other men, and the product of other men’s labor.” Lincoln declared, “Here are two not only different, but incompatible things, called by the same name—liberty.”