Comparison: Mormon 7:9 -> John 20:31

Mormon 7:9 (1830 edition page 531) John 20:31
For behold, this is written for the intent that ye may believe that; and if ye believe that, ye will believe this also; and if ye believe this, ye will know concerning your fathers, and also the marvellous works which were wrought by the power of God among them; But these are written, that ye might believe that Jesus is the Christ, the Son of God; and that believing ye might have life through his name.