A perceived wall does not only exist between India and Pakistan. This happens with countries all across the globe. We have, for some reason, decided to attribute more importance to nationality, or geography, or even religion, when instead we should focus more on our inherent qualities: our sense of self, values and ethics.
At the moment hundreds of children from Central America are risking a long, dangerous trip without adults to come to the United States to escape oppressive poverty, violence, and exploitation. They are receiving a mixed welcome, sometimes with compassion and sometimes with hostility. St. Paul's words seem relevant to me.