'Marriage is not just another mutation of human social evolution, like democracy. It is a divine creation, intended to reveal the ultimate romance guiding all of time and eternity. This is the real reason why premarital sex is wrong; it toys with biblical mystery. The moral imperative is concerned with more than the folly of risking a sexually transmitted disease. God offers a theological rationale in Christ. This is why extramarital sex is wrong; it violates the mystery. This is why same-sex marriages are wrong; they pervert the mystery. And this is why every faithful and loving marriage is precious to God; it shines with the light of Christ's love for his people, and of their devotion to him, in the darkness of this present evil age.'
Raymond C Ortlund Jr, Whoredom, p.173.
