One can hardly imagine what a great influence genuine love,
truthfulness and purity of motives exert on the souls of men. But these traits
cannot be acquired by any believer unless he makes a daily effort to gain
them....
- Shoghi Effendi (From a letter dated 19 December 1923 written by Shoghi Effendi to the
Bahá'ís of the East- translated from the Persian) The Compilation of
Compilations, vol. II, Guidelines for Teaching)