The Bahá’í Writings / ‘Abdu’l‑Bahá / The Promulgation of Universal Peace Talk ‘Abdu’l‑Bahá Delivered in Pittsburgh The Promulgation of Universal Peace · ‘Abdu’l‑Bahá · 8 words Talk ‘Abdu’l‑Bahá Delivered in Pittsburgh 7 May 1912 ← – 43 – – 44 – →