Recently, I heard a friend say, "you will never receive from someone you do not acknowledge as a gift."  In Mark 6, we are told that Jesus COULD NOT do any mighty works for the people he was sent to.  Why?  Their unbelief hindered him from ministering what he had for them.  Though he was more than willing to minister, deliver and heal the sick, they were not in a position to receive.  In order to receive from a ministry gift we must believe that God has sent them to us to help and bless us.