 Various definitions and understandings of “harm” have been offered. One derived from Mill takes harmful conduct to be “other-concerning” or “other-regarding conduct” and, conversely, harmless conduct is “self-regarding” (Mill On Liberty, ch. 1, para 9). Accordingly, if some actions have no social consequences, they affect only the actor and are therefore harmless. Hart seems discomforted enough by “critics” of this Millian suggestion to have been unwilling to adopt it himself across the board. He surely had James Fitzjames Stephen’s critique of Mill in mind among others (Stephen 1873 [1993]). These critics, he says,