" Joseph Smith re-translated select passages of the King James Version of The Holy Bible, including an entire chapter of Matthew (Mark, and Luke were also written out in full but not included in the LDS version of the JST). After laboring off and on for ten months on the early chapters of Genesis, Joseph Smith received a revelation from the Lord on March 7, 1831, directing him to begin work on the New Testament: "It shall not be given unto you to know any further concerning this chapter, until the New Testament be translated, and in it all these things shall be made known; wherefore I give unto you that ye may now translate it" MT
I marvel that ye are so soon removed from him that called you into the grace of
Christ unto another gospel: But though we, or an angel from heaven, preach any other gospel unto you than
that which we have preached unto you, let him be accursed.
Galatians 1:6,8