A City Guide To Raipur for For this reason, Isaiah Berlin identifies positive liberty as a kind of mastery over the self. Positive liberty entails pursuing a goal or abiding by a law of one’s own choosing or making. The obstacles to this self-direction or self-legislation may come either from people and things in the external world or from intellectual, emotional, or psychological shortcomings in oneself. For the negative libertarian, deciding whether freedom exists for a particular person is a relatively straightforward affair. One simply observes whether there are any physical constraints that prevent the person from speaking, acting, or enjoying his private property. In the absence of such constraints, one may conclude that this person is free. For the positive libertarian, deciding whether freedom exists for a particular individual is more complex. A City Guide To Raipur 2016.