In God Passes By Shoghi Effendi points out that the Bayán “should be regarded primarily as a eulogy of the Promised One rather than a code of laws and ordinances designed to be a permanent guide to future generations.” “Designedly severe in the rules and regulations it imposed,” he continues, “revolutionizing in the principles it instilled, calculated to awaken from their age-long torpor the clergy and the people, and to administer a sudden and fatal blow to obsolete and corrupt institutions, it proclaimed, through its drastic provisions, the advent of the anticipated Day, the Day when ‘the Summoner shall summon to a stern business,’ when He will ‘demolish whatever hath been before Him, even as the Apostle of God demolished the ways of those that preceded Him’”
- The Universal House of Justice (The 'Notes' section of the Kitab-i-Aqdas)