Marco Rubio Unloads On Donald Trump: 'There Are Certain Words You Don't Say'

With the pivotal South Carolina primary on the horizon, GOP presidential candidate Marco Rubio is now setting his sights on taking down leading candidate Donald Trump. While some of his recent critiques have centered upon Trump's lack of experience in government and policy making, Rubio has also taken the outspoken real estate mogul to task on the pitch and verbiage of his campaign trail rhetoric. Following his disappointing finish in New Hampshire, Rubio has launched his strongest anti-Trump salvos during a new string of pubic forums and television appearances this week.

"Even in our political culture I teach my kids to be respectful. There are certain words you don't say. You turn on the TV and a leading presidential candidate is saying profanity from a stage. Profanity from a stage," Rubio said in comments transcribed by Business Insider. As reported by Inquisitr and other outlets, Donald Trump recently used a slang term for female genitalia when referring to fellow Republican Ted Cruz. Trump has also used profanity in discussing how he would deal with ISIS and other pressing matters.

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Donald Trump, Marco Rubio, and Ted Cruz huddle at a break during one of the debates. It is not known if any campaign trail insults were reiteratedduring their private confab. (Photo by Joe Raedle/Getty Images)

Marco Rubio has also implicitly questioned Donald Trump's motivations when it comes to philanthropy and charity work, telling an audience in South Carolina of his doubts that faith and spirituality guide the actions of the billionaire.

"We need a president that understands the role our Judeo-Christian values have played in our society," Rubio said in a video posted by Huffington Post. "Why are we the most charitable people in the world question I bet you every single person in this room has donated either time or money or both to a charity or church. And I bet you didn't do it because of the 60% right off on your taxes. You know why you did it? Because our faith teaches us that if you want to serve the Lord we have to serve each other. Our faith teaches us that the way you serve the Lord is how you treat the less fortunate."

Emphasizing Donald Trump's lack of experience in political affairs and international relations, Rubio has also pointed out that there are profound differences between negotiating for land and business deals as opposed to the matters handled by heads of state.

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Donald Trump was on relatively congenial terms with many of his fellow candidates when his campaign first launche by nowadays, he can probably count his friendly acquaintances from the race on one hand. (Photo by Alex Wong/Getty Images)

It's a decidedly different tone for Marco Rubio, who has already mixed things up with the likes of Jeb Bush, Ted Cruz, and Chris Christie during the course of the present election cycle. Indeed, his decision to call out the Donald just ahead of the South Carolina primary might well signal that Rubio could throw in the towel if he doesn't fare well once the votes are all counted.

Ohio governor John Kasich, who finished in second place in the New Hampshire primary elections, is still resisting the use of negative tactics against his opponents, including Donald Trump. On Thursday, Kasich told an audience in South Carolina that he feels like a negative approach with take his focus off of the issues. He did, however, add that if he is attacked by other candidates he will respond, as he has no interest in becoming a "pin cushion."

Both Kasich and Rubio face substantial struggles in the fight to win big in South Carolina. An aggregate of polling data compiled by Real Clear Politics shows Donald Trump with a commanding lead of 36.0 percent of potential votes, followed by Ted Cruz at 19.7 percent, and Marco Rubio at 12.7 percent. Despite a strong showing in New Hampshire, John Kasich is barely on the board in South Carolina, garnering around 2.0 percent. Donald Trump maintains comparable and even greater leads in the forthcoming primaries for Nevada and Massachusetts.

[Photo by Joe Raedle/Getty Images]