All the Bahá'ís, new and old alike, should devote themselves as much as possible to teaching the Faith; they should also realize that the atmosphere of true love and unity which they manifest within the Bahá'í Community will directly affect the public, and be the greatest magnet for attracting people to the Faith and confirming them.
- Shoghi Effendi (From a letter dated 4 April 1947 written on behalf of Shoghi Effendi to the Local Spiritual Assembly of Stuttgart, Germany; The Compilation of Compilations, vol. II, Guidelines for Teaching)