Do you need to know whether or not Jesus Christ is really in your heart? Yes! This book explores the context of five of Christ's statements and five of Paul's statements regarding the necessity of having Christ in your heart. Theologically, if you become saved by accepting Jesus as your Lord and Savior, this results in having the presence of Jesus Christ in your heart through the power of the indwelling Holy Spirit. Practically, realizing that Jesus Christ is in you will sanctify you in your struggles with temptation, trials, and sharing the gospel. Revival will flow from relying on the presence of Christ in your heart. Will you let Jesus revive you today?