UK Prime Minister David Cameron made an impassioned appeal to the people of Scotland during his last visit before the country votes for independence in Thursday's referendum. He warned them that a yes vote would break the United Kingdom "for good, forever."

It was an impassioned speech in which Cameron, whose voice was close to breaking, said that he would be "utterly heartbroken" if the UK breaks apart.

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Depicting UK as a family of nations, Cameron stressed the finality of Scotland's independence.

Splitting with Britain is not a trial separation, Cameron said. It is a permanent painful divorce that has irreversible consequences.

Cameron implored the Scots not to use the referendum as a protest vote against the unpopular Conservative government whose previous austerity policies are seen as a major driving force behind the independence movement.

He urged the conservative party supporters in Aberdeen not to mix up the temporary with the permanent, citing that neither he nor the government will stay forever.

But Scotland and Britain will go their separate ways after the secession, the prime minister said.

He proceeded to hint at the high stakes of separation, including the loss of shared currency, pension funds, and armed forces.

According to a recent Guardian/CIM poll, 63 percent of people in England and Wales object to the post-independence sharing of the pound, a movement pushed by Alex Salmond, Scotland's first minister.

Meanwhile, the prime minister insisted that a no vote will get Scotland more autonomy and powers, even without independence.

Cameron's final trip to Scotland is seen as a last-ditch effort to sway the many undecided voters who have yet to make up their minds, Reuters reported.

According to the Globe and Mail, one in 10 Scots will have to make last-minute decisions for either side of the independence debate come September 18 when they will be asked the question "Should Scotland be an independent country?"

TagsScotland independence referendum, UK Prime Minister David Cameron, Alex Salmond