|'Its appeal is not to be merely identified with a reawakening of the spirit of brotherhood and good-will among men, nor does it aim solely at the fostering of harmonious cooperation among individual peoples and nations . . . It implies an organic change in the structure of present-day society . . . It calls for the reconstruction and demilitarization of the whole civilized world â€” a world organically unified in all the essential aspects of its life, its political machinery, its spiritual aspiration, its trade and finance, its script and language, and yet infinite in the diversity of the national characteristics of its federated units. It represents the consummation of human evolution.'2 The oneness of mankind is the foundation upon which all the other social principles and teachings of Bahá'u'lláh are based.