He is referring to speaking in tongues. Religion will send more people to hell than will alcohol, dope, or prostitution. Religion is deceitful. If you base your life on some kind of religion that is foreign to the Bible, it will steal you away from heaven and send you to hell. Religion is a stumbling block into heaven.
Religion is a deterrent to salvation.
He was very religious. He had kept the law in every point, yet he had not been accepted into the kingdom of God. C. Don't depend upon religion. The only way you can go to heaven is through faith in Jesus Christ. You can become the most religious person in the world and die and go to hell.