Marcos 9
King James Version
28And when he was come into the house, his disciples asked him privately, Why could not we cast him out?
Reina-Valera 1909
28Y como él entró en casa, sus discípulos le preguntaron aparte: ¿Por qué nosotros no pudimos echarle fuera?
World English Bible
28When he had come into the house, his disciples asked him privately, “Why couldn’t we cast it out?”