Kitab-i-Aqdas/Elder35

O creatures of the Merciful One, rise to the service (khidma) of the Cause that griefs caused by those who disbelieved in the Rising-place of the Verses (al-ayat) may not overtake you.[note 1]

When the Promise came and the Promised One appeared, the people disagreed and each faction held to its own opinions and illusions.