Who are the true Sufis?
Who were the great Sufis?
Abadir Umar ar-Rida.

Abd al-Rauf al-Sinkili.
Abu Bakr al-Kalabadhi.
Abu Nu'aym al-Isfahani.
Alauddin Sabir Kaliyari.
Al-Fudayl ibn 'Iyad.
Al-Hakim al-Tirmidhi.
Al-Qushayri.