Unbridled nationalism, as distinguished from a sane and legitimate patriotism, must give way to a wider loyalty, to the love of humanity as a whole. Bahá'u'lláh's statement is: "The earth is but one country, and mankind its citizens." The concept of world citizenship is a direct result of the contraction of the world into a single neighbourhood through scientific advances and of the indisputable interdependence of nations. Love of all the world's peoples does not exclude love of one's country. The advantage of the part in a world society is best served by promoting the advantage of the whole. Current international activities in various fields which nurture mutual affection and a sense of solidarity among peoples need greatly to be increased.