Not egoists but strangers, sometimes benevolent, make for citizens of the deontological republic; justice finds its occasion because we cannot know each other, or our ends, well enough to govern by the common good alone. This condition is not likely to fade altogether, and so long as it does not, justice will be necessary. But neither is it guaranteed always to predominate, and in so far as it does not, community will be possible, and an unsettling presence for justice.

Conclusion: Liberalism and the Limits of Justice - Liberalism and the Limits of Justice, 1998