Concerning the attendance of certain individuals at the meeting of the Assemblies and at the invitation of that body. This, Shoghi Effendi considers, to be as expert advice which is absolutely necessary for good administration. The members of the Assembly are not supposed to know everything on every subject, so they can invite a person, versed in that question, to attend their meetings and explain his views. But naturally he will have no right to vote....
- Shoghi Effendi (From a letter dated 23 October 1926, written on behalf of Shoghi Effendi to an individual believer; The Unfolding Destiny of the British Bahá’í Community)