May 4

The education of each child is compulsory.... In addition to this wide-spread education each child must be taught a profession, art, or trade, so that every member of the community will be enabled to earn his own livelihood. Work done in the spirit of service is the highest form of worship.... 
- ‘Abdu’l-Baha (“'Abdu'l-Bahá on Divine Philosophy”, compiled for inclusion with a letter dated 31 August 1976 written by the Universal House of Justice to all National Spiritual Assemblies; The Compilation of Compilations, vol. I, Baha’i Education)