… is from page 43 of Jean-Pierre Chauffour’s 2009 book, The Power of Freedom (footnote deleted):
However, notwithstanding the fact that international migration has become a highly politically sensitive issue in many countries, one can reasonably argue that the right to migrate and to remit one’s earnings to the home country belongs to the set of fundamental freedoms that all individuals should be able to enjoy as human beings. Although race, class, religion, and sex have retreated as rationales for discrimination, it remains socially acceptable for geographical accidents of birth to be held against people for their entire lives.