 They are derived from transcripts of speeches given by ʻAbdu'l-Bahá during his tour of Europe and North America in 1912.The list is not authoritative and a variety of such lists circulate.With specific regard to the pursuit of world peace, Baháʼu'lláh prescribed a world-embracing collective security arrangement for the establishment of a temporary era of peace referred to in the Baha'i teachings as the Lesser Peace.