If you look at it just from a legal standpoint there is nothing to argue. You can argue from a moral standpoint. You can say, ‘morally, I don’t like the idea of gay marriage’ because your church teaches you a certain thing. That’s fine. And we’re not asking anybody, or forcing churches to perform ceremonies. We’re not asking anybody to go outside of their religious beliefs. But marriage is not a religious right. It is a civil right. That is provided by the government. A church does not have a right to marry someone—except that it is given the right by the government. The government issues marriage licenses. The government decides who gets married and who doesn’t.

Rob Reiner on the legality of gay marriage

(via C-SPAN)