Another necessary and highly commendable undertaking is the founding of a Bahá’í Archives in each of the Bahá’í provincial administrative centres. ... Anyone who, spontaneously and of his own free will, donates material to the Archives of his National Spiritual Assembly—whether this be Tablets, books, pictures, objects or the like—and especially if his inheritors are not accounted of the people of Bahá, or are not considered by him as trustworthy or reliable, will have performed a highly meritorious act in the sight of God, and his name will be perpetuated in the records of the Spiritual Assemblies and his memory enshrined in the Archives for ever.
(Shoghi Effendi, Lights of Guidance, p. 97)
For instance, those who live in the world a thousand years from to-day, will read of those who are living now in this great day, and will have great honour for them. They have connection with us by a spiritual union, and they will think of us who have been in the days of this Manifestation. This is a proof of the infinite superiority of the spiritual over the material union. Look at the solidity of the spiritual union. For instance, we think of Abraham and his followers, and we rejoice as we speak of their good qualities, although so many hundreds of years have passed since their time.
(‘Abdu’l-Bahá, Bahá’í Prayers 9, p. 43)
Future generations, however, will find almost incomprehensible the circumstance that, in an age paying tribute to an egalitarian philosophy and related democratic principles, development planning should view the masses of humanity as essentially recipients of benefits from aid and training.
(Universal House of Justice, Prosperity of Humankind, 1995)
Then will the generations look back with heartfelt appreciation, for the sacrifices made by Bahá’ís and non-Bahá’ís alike, during this most turbulent period in human history.
(The Universal House of Justice, Messages 1963 to 1986, p. 663)
While it is within the jurisdiction of the National Spiritual Assembly to decide which papers in its files are not of long-term value and to have them destroyed you should always bear in mind the historical value of your files. Letters which at this time seem to be of little value could prove to be of great interest to future historians of the development of the Cause of Bahá’u’lláh in the... We suggest that when your secretary has sorted out from among your files the papers which she feels could be destroyed, you should appoint a committee composed of members of your National Assembly to go over them with their historical value in mind and submit a recommendation to your National Assembly. Obviously, those records or letters needed for legal purposes should be retained.
(Universal House of Justice, Lights of Guidance, p. 97)