By searching similarities and differences in both thinkers being discussed, it can be stipulated that this present writing attempts to seek inter-civilizational understanding in a multiculturalism of the world today. By this understanding, it is hoped that social justice, the conceptions of which answered each side, can be pertained in each sphere of culture, including its sphere of jurisdiction. Besides, each conception of social justice can also colorize inter-civilizational relationship, so that it can be applied in an international level and can create a universal justice.