God reveals His will in Scripture in three ways.
The first is by explicit command or prohibition. God simply mandates certain behaviours and forbids others.
The second is by principles. Principles give truths, usually in timeless, axiomatic, or generalised form, which must then be properly connected to the specific circumstances that a believer is in.
The third is by allowing areas that He neither requires nor forbids explicitly in His Word. Theologians have called these things adiaphora, from the Greek which means ‘indifferent things’. These refer to matters where Scripture has not told us one way or another. Here careful judgement is needed. The meaning of the thing or activity in question must be properly understood, and then linked back to Scriptural commands or principles.
It is this third area that we must understand in order to correctly use the term preference. One characteristic of modern libertarian Christianity is its tendency to adopt an inverted legalism. In order to justify its ‘freedoms’, it makes an appeal to the letter of the law. That is, it shaves down the actual obligations of a Christian to explicit positive or negative biblical commands. It wrangles free of the implications of many biblical principles, claiming exemption from them with the post-modern’s motto: “that’s just your interpretation.” Finally, when it comes to adiaphora, it looks incredulously at the one seeking to form a judgement on any such matter. After all, if God hasn’t said anything about it, then the matter is meaningless, morally neutral, and without any serious moral implications. By a weird abuse of sola Scriptura, the only admissible judgements are the first category of explicit commands and prohibitions. The rest of life, it seems, does not matter to God. Finally, with rich irony, these legalists brand anyone who offers a moral judgement on any of the adiaphora with the term – you guessed it – legalist.
It ought to be obvious to us that God did not aim to write an exhaustive manual detailing His will on every possible event. The Bible would then fill several libraries, and be an ongoing work.
It ought to be equally obvious to us that God does want us to glorify Him in every detail of our lives (Col 3:17, 1 Cor 10:31). He has a perfect will, and He wants us to know it (Rom 12:2, Eph 5:16). Therefore, it ought to be plain to us that what God has supplied in the Scripture must be applied to life using information not contained in the Scripture.
Why are Christians so intimidated at the thought of getting grounds to apply a Scripture from outside the Scriptures? Probably because they have confused sola Scriptura with nuda Scriptura. Sola Scriptura teaches that Scripture alone is the final authority for life and godliness. There is no higher bar or court of appeal than the Bible. There we find God’s will revealed. No information outside of the Scripture is to be considered as authoritative as Scripture itself.
However, nuda Scriptura is the idea that Scripture can come to us unclothed, apart from the understanding imparted from the believing community of faith and the Christian past, apart from the progress of theology through the centuries, and apart from any other accompanying information from beyond the Scripture, even if it be true and given by experts or authorities in their fields. Scripture’s authority becomes limited to the naked black-and-white text, and nothing more than its own explicit applications will be admitted. In supposedly wanting nothing more than the unadorned statements of Scripture to guide his life, such a person ironically destroys the authority of Scripture to speak on life in general. Scripture’s protectors become its captors, not merely keeping competitors out, but keeping its own authority locked within the prison of its own two covers.
Most nuda Scriptura practitioners are unaware of how inconsistent they are with this attitude. They oppose abortion, but the Bible nowhere explicitly says that the killing of an unborn child is an instance of murder. They oppose taking God’s name in vain, but they cannot point to a single Scripture which gives an explicit application of that command. They regard recreational drug use as sinful, but cannot find a verse which links drug use to principles forbidding addiction or harm to the body.
And yet they oppose these things. That’s because they unwittingly violate their nuda Scriptura ethos, and supply outside (non-Scriptural) information to make a valid application. They find out from doctors that life begins at conception; they reason that using the actual name of God in an everyday slang fashion is to treat it in an unworthy manner; they find out information on the addictiveness and physical effects of the drug in question. In other words, Scripture does not give them either the application, or even the link to the application. They do, through the use of reason and outside information. We do this all the time, and God expects us to do so.
I think the disingenuous attitude of “the Bible doesn’t say that” really begins once a cherished idol is under fire. The person lives by sola Scriptura in every other area of his life. However, should one of his loves be challenged – his music, his entertainments, his dress to worship, his use of disposable income, his reading matter – suddenly he reverts to nuda Scriptura. Now he wants the Bible to speak explicitly to the matter under question, or his supposed devotion to chapter and verse will throw it out. This is a lying heart.
Adiaphora are not areas where the lordship of Christ does not apply, to be exploited for our own convenience. All of life is to be lived for the glory of God, including those areas where Christians can come to opposite conclusions.