Believers dare not come to the Lord's Table except with a repentant heart. "Whoever eats this bread or drinks this cup of the Lord in an unworthy manner," as Paul puts it, "drinks judgment to himself." That should be a sobering warning, especially when the apostle adds that because of this offense many have fallen ill or died. Any pastor who takes the Word of God seriously should never administer Communion without adequately warning partakers. Those who are unrepentant should flee the table rather than trivialize the sacred.

And God does not view this sacred act lightly. Pat Novak, pastor in a nonsacramental denomination, discovered this when he was serving as a hospital chaplain intern just outside of Boston several years ago. Pat was making his rounds one summer morning when he was call…