Dealing with Unbelief

The crowd brought a speechless boy to Jesus. Jesus asked the father, "How long has this been happening to him?" And he said, "From childhood. The spirit has often cast him into the fire and into the water, to destroy him; but if you are able to do anything, have pity on us and help us." Jesus said to him, "If you are able! All things can be done for the one who believes." Immediately the father of the child cried out, "I believe; help my unbelief!"