Gospel of John Author:Chuck Smith You Must Be Born Again. How to know Jesus. The Gospel of John is one of the greatest testaments of God's unfailing Word for a Christian, as well as to the unbeliever. the apostle John declares his purpose in writing this gospel in John 20:31: But these are written, that you may believe that Jesus is the Christ, the Son of God, and that believin... more »g you may have life through His name. In this fascinating verse-by-verse commentary, Pastor Chuck Smith illustrates this book of the Bible with simplistic understanding, creating a desire for believers and unbelievers alike, to know Jesus more intimately.« less