Are you healed by faith?

During healing services or conferences, cries often can be heard such as: "e;"e;You must believe! Keep standing in faith! Hold on to it! Claim healing! Stand in your authority!"e; Initially simple, clear, seemingly Biblical-sounding sentences. On the one hand, stated as a condition for being able to heal, on the other hand, reproachful when healing does not occur. How did Jesus and the disciples...