“It is not for him to pride himself who loveth his own country, but rather for him who loveth the whole world. The earth is but one country, and mankind its citizens.” And again, “That one indeed is a man who today dedicateth himself to the service of the entire human race.”
Bahá’u’lláh, The World Order of Bahá’u’lláh
www.bahai.org/r/391200266
An Introduction to the life of Bahá'u'lláh
https://www.bahai.org/bahaullah/