Story highlights Retiring House Speaker John Boehner criticized the most conservative elements of his own party

He said conservatives' anti-Obamacare push in the 2013 government shutdown "never had a chance"

Washington (CNN) John Boehner lashed out at "false prophets" in the right's ranks, blaming them for political strategies that "never had a chance" even while taking the government into fiscal crises.

"Absolutely, they're not realistic," the retiring House speaker said of hard-line conservatives and outside groups in a Sunday interview on CBS' "Face the Nation."

He pointed to the October 2013 shutdown after conservative House Republicans demanded the repeal of President Barack Obama's signature health care law as one maneuver -- led by Texas Sen. Ted Cruz -- that was never going to succeed.

"The Bible says beware of false prophets. And there are people out there, you know, spreading noise about how much can get done. I mean this whole notion that we're going to shut down the government to get rid of Obamacare in 2013 -- this plan never had a chance," Boehner said.

"But over the course of the August recess in 2013 and in September, a lot of my Republican colleagues who knew this was a fool's errand -- really, they were getting all this pressure from home to do this," he said.

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