entity_id,period_id,confidence,rationale,source_id,review_status ENT_DESERT_ARSENIUS,PER_PATRISTIC,high,"c.354-450; Roman senatorial tutor who fled to the desert of Scetis, abba famed for radical silence and stillness; prominently attested in the Apophthegmata Patrum.",SRC_WARD_SAYINGS,reviewed