Imam Ja‘far al-Ṣadiq (as): Imam al-Sadiq (as) once asked a man, 'Who do you consider a fata?' to which the man replied, 'A young man.' Imam said, 'No, a fata is a believer, for verily the Companions of the Cave were middle-aged men, yet Allah called them fitya [plural of fata] because of their belief. al-Kāfī