The Will and Testament of 'Abdu'l-Bahá unveiled its [“the
Administration of Bahá'u'lláh's invincible Faith] character, reaffirmed its
basis, supplemented its principles, asserted its indispensability, and
enumerated its chief institutions. ...
- Shoghi Effendi (From a letter dated 21
April 1933, printed in ‘The World Order of Bahá'u'lláh: Selected Letters’)
