But though we, or an angel from heaven, preach any other gospel unto you than that which we have preached unto you, let him be accursed (Galatians 1:8).
There’re those who think it’s okay to try and contact the dead for information about their future. It’s wrong.
In the Old Testament, God specifically warned the children of Israel not to do it. Saul, the king of Israel, did it and got into trouble for it.
The dead don’t know the future; so, it’s even absurd to try to consult with them about the future.
Only the Holy Ghost knows the future, and through the insight He grants us, we’re able to know things about the future as He reveals them to us.
Jesus said, “Howbeit when he, the Spirit of truth, is come, he will guide you into all truth: for he shall not speak of himself; but whatsoever he shall hear, that shall he speak: and he will shew you things to come” (John 16:13).
Trust the Holy Spirit: instead of hoping that, somehow, the ghost of a dead person will reveal some secrets to you or give you some esoteric information about your future.
Of course, there’re manifestations of the Holy Spirit in which He ministers to us in different ways