Irfan (Arabic/Persian/Urdu: عرفان; Turkish: İrfan), literally ‘knowledge, awareness, wisdom’, is a concept in Islamic mysticism akin to gnosis, or spiritual knowledge.
איש Ish – is a word that signifies man in Hebrew, and is also the masculine aspect of the fire (Fire in Hebrew is אש Esh)
אשה Isha – is a word that signifies woman in Hebrew, and is also the feminine aspect of the fire.