‘Abu Abdollah Mohammad bin Khafif’ (371 BC), known as ‘Sheykh e Kabir’, is a great Sufi mystic and founder of the ‘Khafifiye’ dynasty. He continuously prayed the God. In Shiraz,his masters in mystical sciences were, ‘Ahmad bin Yahya’, ‘Moa’el e Jasas’ and ‘Jafar e Hazza’. He traveled to Hijaz, Iraq, Syria, Palestine and several times to the Hajj. Then he settled in Shiraz and started to educate and guide his students. His tomb is located in the neighborhood of ‘Darb e Shahzade’, behind the ‘Vakil Bazar’ and beside the ‘Vakil’ water reservoir.