Mark 9:28

28 Afterward, when Jesus was alone in the house with his disciples, they asked him, “Why couldn’t we cast out that evil spirit?”

Mark 9:28 In-Context

26 Then the spirit screamed and threw the boy into another violent convulsion and left him. The boy appeared to be dead. A murmur ran through the crowd as people said, “He’s dead.”
27 But Jesus took him by the hand and helped him to his feet, and he stood up.
28 Afterward, when Jesus was alone in the house with his disciples, they asked him, “Why couldn’t we cast out that evil spirit?”
29 Jesus replied, “This kind can be cast out only by prayer. ”
30 Leaving that region, they traveled through Galilee. Jesus didn’t want anyone to know he was there,
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