" Much as people might like to stress their attachment to particular territories, all societies have originally come from somewhere else to live in the lands they presently occupy. Moreover, the future will see some of them move elsewhere, in whole or in part, or be transformed over time by the immigration of other peoples into their midst. People can reconcile themselves to these often beneficial changes by recognizing that no society has ever had the exclusive possession of their land for all time and by acknowledging that the world is not only the ancestral land of us all but will remain as the wider homeland of everyone. "