 Attar of Nishapur, a famous Persian poet and Sufi, devoted a large part of his book "Tadhkirat al-Awliya" (Biography of the Saints) about the personality, state and stories of Kharaqani.Attar has him as "Sultān-e Salātin-e Mashāyekh" "King of kings of Sufi Masters", "Ocean of the spiritual knowledge, "Sun of the Lord", "Mystery of the Lord" and "Qibla of his people".Kharaqani was the Master of the famous Persian Sufi and poet, Abdullah Ansari.