Confession of Sins & a Pure Heart: Could you talk about our confession of sins in order to keep a pure heart? [James 5:16, I John 1:9]. Pure Heart for Communion: What about having a pure heart in order to take communion, because we sin so often? [I Corinthians 10:31, I John 2:1]. Masturbation: What about masturbation? [I Thessalonians 4:3, I John 2:16, John 15:13, Matthew 26:41, Psalm 103:1-14].