Former teen television star Kirk Cameron has spoken out regarding his faith, and in particular regarding his opposition to any attempts to redefine of marriage.

Kirk Cameron, who rose to fame by playing Mike Seaver from 1985-1992 on the ABC sitcom "Growing Pains," was straightforward when he explained his beliefs regarding the institution of marriage.

Last Friday night, Cameron was a guest on CNN's talk show "Piers Morgan Tonight," and the two talked about several things, including same-sex marriage.

"I think that it's unnatural. I think that it's detrimental, and ultimately destructive to so many of the foundations of civilization," said the 41-year-old actor.

"Marriage is almost as old as dirt, and it was defined in the Garden between Adam and Eve," he continued. "One man, one woman for life till death do you part. So I would never attempt to try to redefine marriage. And I don't think anyone else should either."

He continued the discussion by involving his children, whom he said he would have a "heart-to-heart" with if one were having homosexual feelings.

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"I wouldn't say 'That's great, son, as long as you're happy.' I'm going to say, 'There are all sorts of issues we need to wrestle through in our life. Just because you feel one way doesn't mean we should act on everything we feel,'" said Cameron.

A number of gay activists have immediately jumped on and attacked Cameron's comments, however, Piers Morgan defended his right to speak out, although he called them "antiquated." In an improptu interview with TMZ, Morgan called Cameron "pretty brave" for voicing his opinion.

"I felt that he was honest to what he believed, and I don't think he was expecting the furor that it created," Morgan said.

SEE VIDEO RESPONSE FROM KIRK CAMERON TO PIERS MORGAN ON HOMOSEXUALITY