The following excerpt is from God’s Power for Your Life by A W Tozer
Not just wicked men, but good ones as well, can be inwardly blinded to the point of self-deception. Yes, even good men and women can be so deceived as to miss heaven in the final analysis. How tragic to live your whole life believing you are on the road to heaven, and then to find out, when you cannot change, that you were deceived!
Remember these words spoken by Jesus: “Not every one that saith unto me, Lord, Lord, shall enter into the kingdom of heaven; but he that doeth the will of my Father which is in heaven. Many will say to me in that day, Lord, Lord, have we not prophesied in thy name? and in they name have cast out devils? and in thy name done many wonderful works? And then will I profess unto them, I never knew you: depart from me, ye that work iniquity” (Matthew 7:21-23)
How are we to avoid hearing those dreadful words? Surely, there is something we can do to prevent ourselves from being deceived. What is the cure? How am I to deal with any kind of spiritual blindness I might encounter?
Take heart – there is a cure. “For ye were sometimes darkness,” Paul wrote to the Ephesian Christians, “but now are ye light in the Lord: walk as children of light” (Ephesians 5:8). These men and women once walked in darkness, but they came to walk as children of light. At the root of this transformation was a personal encounter with the Holy Spirit through the Word of God.
Jesus is the cure, and only the Holy Spirit can apply this remedy to restore a person’s life and chase away the darkness of the soul forever. (emphasis is mine)
“The Spirit of the Lord is upon me,” Jesus proclaimed, “because he hath anointed me to preach the gospel to the poor; he hath sent me to heal the broken-hearted, to preach deliverance to the captives, and recovering of sight to the blind, to set at liberty them that are bruised” (Luke 4:18). Light is available to all who seek. That is the secret. Those who seek God earnestly and desperately shall surely come into the glorious light of His presence.