One of the great realities of scripture is that the most common verses hold the greatest mysteries until the Holy Spirit opens our eyes. So it is with John 3:16-"e;For God so loved the world that he gave his one and only Son, that whoever believes in him shall not perish but have eternal life."e; Then what? Surely there s more to the Christian life than just believing. In This Is How We Know, J. D. Walt invites us on a forty-four-day devotional journey to explore what he refers to as the second half of the gospel as presented in 1 John This is how we know what love is: Jesus Christ laid down his life for us. And we ought to lay down our lives for our brothers and sisters (1 John 3:16). The journey of awakening is the Spirit-empowered, hard-fought movement of John 3:16 to 1 John 3:16. This is how we know.