Because "these are written so that you may come to believe that Jesus is the Messiah, the Son of God, and that through believing you may have life in his name."
Hezwi zwo ṅwalwaho hafha zwo ṅwalelwa uri inwi ni tendeDziṅwe ṱhanzi dzi ri, "uri inwi ni ḓi dzula ni tshi tenda ..." uri Yesu ndi Ene Mesia Murwa wa Mudzimu, na uri nga u tenda honoho ni kone u wana vhutshilo ngae.