relationship_id,subject_entity_id,relationship_type,object_entity_id,confidence,rationale,source_id,review_status,period_id 2511,ENT_SUF_DHUL_NUN,teaches,ENT_SUF_MARIFA,high,Dhul-Nun first systematised the doctrine of experiential gnosis.,SRC_SCHIMMEL_SUFISM,reviewed,PER_ISL_CLASSICAL