…in this holy Dispensation, the crowning glory of bygone
ages and cycles, true Faith is no mere acknowledgement of the Unity of God, but
rather the living of a life that will manifest all the perfections and virtues
implied in such belief....
- 'Abdu'l-Bahá ('Bahá'í Year Book' ["The Bahá'í World"], vol. 1 (New
York: Bahá'í Publishing Committee, 1926; The Compilation of Compilations, vol.
I, Excellence in All Things)