How Much Do I Need to Know?
by Michael Horton
“How far is too far?” Growing up in conservative evangelicalism, that question was common in youth group. Of course, we were talking about physical intimacy. When everything’s reducible to making a rule or breaking a rule, it’s important to know when you’ve “crossed the line.” I’m not downplaying the importance of guiding young people through the mysterious era of puberty—and even in suggesting wise guidelines where there is no clear chapter and verse. But when “How far can I go?” is the main question, we’ve already lost too much. It suggests that character has not been formed by life in a particular community—especially home and the church—when people just want you to net it out for them like that. Usually we ask that question when we’re just about to dive in. We just want to know when to push the eject button.
A similar phenomenon happens when people ask, “How much do you need to know to be saved?” It’s like asking, “How ignorant can I be?” At one end, there’s the official Roman Catholic answer: assent to everything the church teaches. It’s called implicit faith because you can’t possibly know for yourself everything that the church teaches. The Geneva reformer John Calvin described this view as ignorance disguised as humility. At the other end, there is that line from evangelist D. L. Moody: “I can write the gospel on a dime.” How much do you need to know? Enough to lead someone to Christ in an elevator.
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We recall the question of the rich young ruler. Assuming that he had so far done everything he knew to do, he asked Jesus, “What’s the one thing I have to do to be saved?” Jesus pressed him to face the full brunt of the law, showing him that he had not even begun to fulfill the duty of loving God with total devotion and loving his neighbor as himself. As confessional “Reformation” folks, we get that. However, we are so good at works-righteousness that we merely shift the bar of merit from things we do to things we know.
According to Scripture, the object of our faith is neither our actions or our knowledge, but the person of Jesus Christ. Of course, trusting a person involves knowledge and assent, but we’re saved by Christ, not by doctrines. The purpose of the doctrine is to direct us to the right person and to keep us looking to him until that day when faith yields to sight.
In his Great Commission, Jesus called his disciples to go to the whole world preaching the gospel, baptizing, and teaching them to observe everything he had delivered. He mentions things in a certain order: faith comes by hearing the preached gospel, converts are baptized along with their children (you knew I had to say that), and then is set for a whole life of learning everything…
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