John 20:31
King James Version
“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.”
Context
28And Thomas answered and said unto him, My Lord and my God.
29Jesus saith unto him, Thomas, because thou hast seen me, thou hast believed: blessed they that have not seen, and have believed.
30And many other signs truly did Jesus in the presence of his disciples, which are not written in this book:
31But 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.