Baha'i Center, Wilmette, Illinois The principles of the Bahá'í Faith were established by Bahá'u'lláh, the Founder of the Faith, in the latter half of the nineteenth century and promulgated by His Son and appointed successor, 'Abdu'l-Bahá during a tireless twenty nine year ministry. The major principles of Baha'i are listed below, linked to explanations from talks of Abdul-Baha which he gave in America in 1912. • The oneness of mankind. (This includes absolute racial equality) • Universal...