 Barnabas Lindars asserts that the gospel teaches that salvation can only be achieved through revealed wisdom, specifically belief in (literally belief "into") Jesus.Raymond Brown contends that "The Johannine picture of a savior who came from an alien world above, who said that neither he nor those who accepted him were of this world, and who promised to return to take them to a heavenly dwelling could be fitted into the gnostic world picture (even if God's love for the world in could not).