September 22

He has noted with deepest satisfaction indeed that your meetings have been well attended this year, and that the programme had been made as varied and interesting as possible, and combined, as every Bahá'í Summer School should, the threefold features of devotion, study and recreation. Only through such a harmonious combination of these three elements can the institution of the Summer School yield the maximum of beneficent results, and fulfil its true function of deepening the knowledge, stimulating the zeal, and fostering the spirit of fellowship among the believers in every Bahá'í community. 
(From a letter dated 15 August 1938 written on behalf of Shoghi Effendi to the Central States Summer School; The Compilation of Compilations, vol. I, Centers of Baha’i Learning)