What Does the Bible Say About Sex Before Marriage?
"Marriage is honourable in all, and the bed undefiled: but whoremongers and adulterers God will judge." — Hebrews 13:4
This verse from Hebrews is one of the Bible's clearest statements on sexual ethics. It affirms marriage as the God-ordained context for sexual intimacy — the 'bed undefiled' — while placing those who practice fornication and adultery under divine judgment. Hebrews 13:4 The contrast is deliberate: sex within marriage is honoured; sex outside it is condemned.
The Apostle Paul reinforces this in 1 Corinthians 7:2, where he writes that marriage is the proper remedy for sexual temptation:
"Nevertheless, to avoid fornication, let every man have his own wife, and let every woman have her own husband."1 Corinthians 7:2 The Greek word translated 'fornication' here is porneia, a broad term encompassing all sexual activity outside the marriage covenant. Paul's counsel isn't that marriage is merely a fallback — it's the God-designed structure within which sexual expression is both honoured and protected. 1 Corinthians 7:28
Protestant View on Sex Before Marriage
"Marriage is honourable in all, and the bed undefiled: but whoremongers and adulterers God will judge." — Hebrews 13:4
Protestant Christianity has historically held that the Bible prohibits sex before marriage without exception. The foundation is the concept of the 'marriage bed' described in Hebrews 13:4 as 'undefiled' — implying that sex outside that bed is, by contrast, defiled. Hebrews 13:4 This isn't merely a cultural rule; Protestants view it as rooted in God's created order for human flourishing.
Paul's instruction in 1 Corinthians 7:2 is particularly central to Protestant teaching. He doesn't simply discourage premarital sex — he prescribes marriage as the God-given channel for sexual desire:
"Nevertheless, to avoid fornication, let every man have his own wife, and let every woman have her own husband."1 Corinthians 7:2 This framing treats sexual desire as good and God-given, but insists it must be expressed within the covenant of marriage.
The Old Testament also contributes to this framework. The seventh commandment in Deuteronomy 5:18 —
"Neither shalt thou commit adultery"— Deuteronomy 5:18 was understood by Protestant Reformers like Calvin and Luther to encompass all sexual immorality, not merely adultery in the narrow sense. The broader principle is sexual faithfulness within covenant relationship.
Importantly, 1 Corinthians 7:28 clarifies that marriage itself isn't sinful —
"But and if thou marry, thou hast not sinned; and if a virgin marry, she hath not sinned."1 Corinthians 7:28 Protestant theology sees this as affirming that marriage is the God-honouring path, and that choosing it over sexual immorality is always right, even if it brings its own earthly challenges.
Key takeaways
- Hebrews 13:4 explicitly calls the marriage bed 'undefiled' and warns that God will judge sexual immorality outside marriage. Hebrews 13:4
- Paul prescribes marriage in 1 Corinthians 7:2 as the God-ordained remedy 'to avoid fornication,' treating sex outside marriage as sinful. 1 Corinthians 7:2
- The Greek word porneia (fornication) covers all premarital and extramarital sex, and it's condemned throughout the New Testament.
- 1 Corinthians 7:28 affirms that choosing marriage is never sinful, presenting it as the honourable path for sexual expression. 1 Corinthians 7:28
- The Old Testament's seventh commandment in Deuteronomy 5:18 — 'Neither shalt thou commit adultery' — establishes sexual faithfulness as a core covenant obligation. Deuteronomy 5:18
FAQs
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Does the Old Testament address sex before marriage?
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