Listen to I Came into This World to Testify About the Truth in John 18 online. I Came into This World to Testify About the Truth in John 18 is an English language song and is sung by Douglas Jacoby. I Came into This World to Testify About the Truth in John 18, from the album A Tour Through John (Everything You Need to Know from the Gospel the Letters and the Revelation Written by Apostle John in the Bible), was released in the year 2018. The duration of the song is 20:03. Download English songs online from JioSaavn.