"Many make the mistake of thinking that opposition to gay marriage is religious. A Facebook friend recently posted this quote: “Have you ever noticed the same people who claim that marriage is a religious institution only think that LGBT people shouldn’t get married? They never seem to object to Hindus, Muslims, Buddhists, or atheists getting married.”
This is a perfect summary of the ignorance with which many (though by no means all) gay marriage proponents operate....Because of the harmony of faith and reason, thoughtful Christians can speak of marriage in terms of both categories. And we sometimes confuse categories, and that proves confusing to the general public. But make no mistake: Our defense of marriage is no act of legerdemain, in which we try to force what we know solely by revelation on the public. (Observe no one is pushing laws forcing participation in the sacraments or forbidding participation in a particular faith.) Rather, we are concerned for the common good, a rational concern motivated by our very faith. Convinced that reason and nature teach us the truth about marriage, we will continue to make arguments in the public square about the public goods of marriage, for no society or person can long thrive kicking against the goads of reason and nature."