One says justice means maximizing utility or welfare—the greatest happiness for the greatest number. The second says justice means respecting freedom of choice—either the actual choices people make in a free market (the libertarian view) or the hypothetical choices people would make in an original position of equality (the liberal egalitarian view). The third says justice involves cultivating virtue and reasoning about the common good. As you’ve probably guessed by now, I favor a version of the third approach.
