A chaste and holy life must be made the controlling principle in the behaviour and conduct of all Bahá'ís, both in their social relations with the members of their own community, and in their contact with the world at large. It must adorn and reinforce the ceaseless labours and meritorious exertions of those whose enviable position is to propagate the Message, and to administer the affairs, of the Faith of Bahá'u'lláh. It must be upheld, in all its integrity and implications, in every phase of the life of those who fill the ranks of that Faith, whether in their homes, their travels, their clubs, their societies, their entertainments, their schools, and their universities. It must be accorded special consideration in the conduct of the social activities of every Bahá'í summer school and any other occasions on which Bahá'í community life is organized and fostered. It must be closely and continually identified with the mission of the Bahá'í youth, both as an element in the life of the Bahá'í community, and as a factor in the future progress and orientation of the youth of their own country.
- Shoghi Effendi (‘The Advent of Divine Justice’)