August 3

As regards the meaning of the Baha’i Covenant: The Guardian considers the existence of two forms of Covenant both of which are explicitly mentioned in the literature of the Cause. First is the Covenant that every prophet makes with humanity or, more definitely, with His people that they will accept and follow the coming Manifestation who will be the reappearance of His reality. The second form of Covenant is such as the one Baha’u’llah made with His people that they should accept the Master. This is merely to establish and strengthen the succession of the series of Lights that appear after every Manifestation. Under the same category falls the Covenant the Master made with the Baha’is that they should accept His administration after Him. … 
- Shoghi Effendi  (From a letter dated October 21, 1932, written on behalf of Shoghi Effendi to an individual believer; Baha’i News, no. 80, January 1934)