John 11 I am the Resurrection and the Life

Elder Bruce R. McConkie. explains one important purpose the Savior accomplished through raising Lazarus from the dead.
Elder Bruce R. McConkie
“He was setting the stage, so as to dramatize for all time, one of his greatest teachings: That he was the resurrection and the life, that immortality and eternal life came by him, and that those who believed and obeyed his words should never die spiritually” (Doctrinal New Testament Commentary,3 vols. [1965–73], 1:531).