John 15:5,8 is part of the Gospel of John, which is traditionally attributed to the Apostle John, one of Jesus’ twelve disciples. Evangelical Christians believe that the Gospel of John was written by John the Apostle, who was an eyewitness to Jesus’ ministry, and was inspired by the Holy Spirit to accurately convey the teachings and miracles of Jesus.

In this passage, Jesus says, “I am the vine; you are the branches. If you remain in me and I in you, you will bear much fruit; apart from me you can do nothing… This is to my Father’s glory, that you bear much fruit, showing yourselves to be my disciples.” (John 15:5,8, NIV) Evangelicals interpret these verses as Jesus teaching about the importance of remaining connected to him in order to bear the fruits of a righteous and obedient life. They believe that true disciples of Jesus will demonstrate their faith by producing good works and living in a way that glorifies God.

Evangelical Christians view the Gospel of John as a reliable and authoritative account of Jesus’ life and teachings, and they hold the Apostle John in high esteem as a faithful and trustworthy messenger of the gospel. They believe that John’s writings continue to serve as a guide for Christians, encouraging them to remain steadfast in their faith and to bear the fruits of a life lived in accordance with God’s will.