“Recite ye the verses of God every morn and eventide.” (Bahá’u’lláh, ‘The Kitáb-i-Aqdas’)

September 19

... that which hath streamed forth from the Most Exalted Pen is conducive to the glory, the advancement and education of all the peoples and kindreds of the earth. Indeed it is the sovereign remedy for every disease, could they but comprehend and perceive it. 
(Bahá'u'lláh, Tablets of Bahá'u'lláh revealed after the Kitáb-i-Aqdas;  The Compilation of Compilations, vol. III, Social and Economic Development)