Mark 9:23 in the King James Version
Jesus said unto him, If thou canst believe, all things are possible to him that believeth.
Context
22 Often it has cast him both into the fire and into the water to destroy him. But if you can do anything, have compassion on us and help us.”
23 Jesus said to him, “If you can believe, all things are possible to him who believes.”
24 Immediately the father of the child cried out with tears, “I believe. Help my unbelief!”