Mark 9:19-21

New Revised Standard Version, Anglicised Catholic Edition

¹⁹ He answered them, ‘You faithless generation, how much longer must I be among you? How much longer must I put up with you? Bring him to me.’ ²⁰ And they brought the boy^[a] to him. When the spirit saw him, immediately it threw the boy^[b] into convulsions, and he fell on the ground and rolled about, foaming at the mouth. ²¹ Jesus^[c] asked the father, ‘How long has this been happening to him?’ And he said, ‘From childhood.