(Ruzbahan Baqli of Shiraz)
Quote source: 'Islam and Music' by Seyyed Hossein Nasr
'Ruzbihan Baqli: Mysticism and the Rhetoric of Sainthood in Persian Sufism'
By Carl W. Ernst (Author)
The first full-length study devoted to the life and mystical experiences of one of the outstanding figures in Persian Sufism.