 In Matthew 7, 21, Jesus says, Not everyone who says to me, Lord, Lord, we'll enter the kingdom of heaven. And he mentioned two signs that you ought to be leery of people performing. He says people say to him, did we not cast out demons in your name? And did we not prophesy in your names? All these wonderful gifts. Jesus makes another statement. He says, I never knew you. Depart from me, you work of iniquity. Be leery of the people that are always trying to show you that they have the ability to cast out demons as well as if they speak for God. Whether they call themselves a prophet or not. People who always say the Lord told me this or the Lord said I have a vision from the Lord and are constantly telling you how vague themselves are casting out demons. He says that it's possible to do so and not even be saved. He says, I never knew you. Not once, not I used to know you. Depart from me, you who practice lawlessness. So be careful of those people who want to show you signs because they may not even be saved themselves. But if you know Jesus and you have a spirit in you, well then you have no need of someone else to tell you or show you anything.