We are told by Shoghi Effendi that two great processes are at work in the world: the great Plan of God, tumultuous in its progress, working through mankind as a whole, tearing down barriers to world unity and forging humankind into a unified body in the fires of suffering and experience. This process will produce in God’s due time, the Lesser Peace, the political unification of the world. Mankind at that time can be likened to a body that is unified but without life. The second process, the task of breathing life into this unified body—of creating true unity and spirituality culminating in the Most Great Peace—is that of the Bahá’ís, who are laboring consciously, with detailed instructions and continuing divine guidance, to erect the fabric of the Kingdom of God on earth, into which they call their fellowmen, thus conferring upon them eternal life.
-The Universal House of Justice (From a message dated December 8, 1967 to an individual believer; ‘Wellspring of Guidance, Messages of the Universal House of Justice 1963-1968’)