The final debate before the Iowa caucus was nothing short of entertaining. As always, Twitter users were eager to add to the conversation.

Ted Cruz opened the debate by saying he's a manic. Yes, a maniac.

Marco Rubio made a comment about Sweden.

And much more.

Scroll through quotes, other memorable moments and highlights below. For a full recap of the Republican debate, check out AJC's Political Insider blog.

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Housing affordability is the top concern for metro Atlanta residents, according to a new survey. (Ben Hendren for the AJC)

Credit: Ben Hendren