This is the fourth video in a series on the political thought of Sir Isaiah Berlin, whose work attempted to bridge the divide between varieties of universalism, which tend to lead to totalitarianism, and the particularism that emerged from the backlash against universalism from sources in Counter-Enlightenment, Romantic and reactionary thought. In this video, I examine what, most likely, is Berlin’s own version of liberalism that he hoped would avoid the excesses associated with universal absolutism and relativism.