Former Maryland Governor Martin O'Malley was recently asked whether his Catholic faith was at odds with his support for marriage equality.

O'Malley, a possible Democratic presidential candidate, campaigned for passage of and signed a bill making Maryland the eighth state to legalize gay nuptials. Three years later, gay couples can marry in 37 states, plus the District of Columbia.

In a recent interview with The Des Moines Register, O'Malley was asked how he reconciles his Catholic faith and support for marriage equality.

“I believe in the dignity of every person,” O'Malley answered. “And I believe that while we're all free to practice our religion and to hold whatever religious beliefs we choose, I think we can all agree that every child's home deserves to be protected equally under the law. That there is dignity in every child's home.”

“And so, I've found that the passage of marriage equality actually squares with the most important social teachings of my faith, which is to believe in the dignity of every person and to believe in our own responsibility to advance the common good.”

“And part of that advancement means changing laws when they are unjust,” he added.