Only by activating the power of God's Spirit can God's people enjoy quality communication with God, giving them vast insight into the purposes of God.
Christ warned that many would be deceived, though no one ever admits to being deceived. The Bible warns of deceptions from within and without the church.
We must embody truth as did Jesus Christ, absolutely refusing to bear false witness in our words, our behavior, and our cumulative reputation.
Satan uses disinformation, spread through false ministers/prophets, teaching smooth things that destroy. We must test the spirits to ensure a teaching is from God.