Font Size
As Moses found that those he had left in charge were unable to control the people (Ex 24:14; 32:1-8), Jesus found that those he had left behind could not cast out a particularly troublesome demon. Jesus casts out the demon immediately, demonstrating how it should be done (17:18; compare 8:26), but the disciples' inability twice invites Jesus' reproof of their weak faith (17:17, 20).