His eldest son, ‘Abbas Effendi, known as `Abdu’l-Baha (the Servant of Baha), appointed by Him as His lawful successor and the authorized interpreter of His teachings, Who since early childhood had been closely associated with His Father, and shared His exile and tribulations, remained a prisoner until 1908, when, as a result of the Young Turk Revolution, He was released from His confinement. Establishing His residence in Haifa, He embarked soon after on His three-year journey to Egypt, Europe and North America, in the course of which He expounded before vast audiences, the teachings of His Father and predicted the approach of that catastrophe that was soon to befall mankind. He returned to His home on the eve of the first World War, in the course of which He was exposed to constant danger, until the liberation of Palestine by the forces under the command of General Allenby, who extended the utmost consideration to Him and to the small band of His fellow-exiles in ‘Akka and Haifa. In 1921 He passed away, and was buried in a vault in the mausoleum erected on Mount Carmel, at the express instruction of Baha’u’llah, for the remains of the Bab, which had previously been transferred from Tabriz to the Holy Land after having been preserved and concealed for no less than sixty years.
In the Suriy-i-Ghusn (Tablet of the Branch) the following verses have been recorded: “There hath branched from the Sadratu’l-Muntaha this sacred and glorious Being, this Branch of Holiness; well is it with him that hath sought His shelter and abideth beneath His shadow. Verily the Limb of the Law of God hath sprung forth from this Root which God hath firmly implanted in the Ground of His Will, and Whose Branch hath been so uplifted as to encompass the whole of creation. Magnified be He, therefore, for this sublime, this blessed, this mighty, this exalted Handiwork!… A Word hath, as a token of Our grace, gone forth from the Most Great Tablet — a Word which God hath adorned with the ornament of His own Self, and made it sovereign over the earth and all that is therein, and a sign of His greatness and power among its people …Render thanks unto God, O people, for His appearance; for verily He is the most great Favor unto you, the most perfect bounty upon you; and through Him every mouldering bone is quickened. Whoso turneth towards Him hath turned towards God, and whoso turneth away from Him hath turned away from My beauty, hath repudiated My Proof, and transgressed against Me. He is the Trust of God amongst you, His charge within you, His manifestation unto you and His appearance among His favored servants… We have sent Him down in the form of a human temple. Blest and sanctified be God Who createth whatsoever He willeth through His inviolable, His infallible decree. They who deprive themselves of the shadow of the Branch, are lost in the wilderness of error, are consumed by the heat of worldly desires, and are of those who will assuredly perish.”