"Over the coming weeks, I'll be setting out more details of my plan for Britain. Yes, that's about getting the right deal for Brexit, but it is also about economic reform. It's about getting the right deal internationally, but it's also about a fair deal at home," May said in her first major broadcast interview since taking charge at Downing Street.
"Often people talk in terms as if somehow we are leaving the EU but we still want to kind of keep bits of membership of the EU. We are leaving. We are coming out. We are not going to be a member of the EU any longer. So the question is what is the right relationship for the UK to have with the European Union when we are outside. We will be able to have control of our borders, control of our laws," May told Sky News.
The slogan sets her on a different course from her Conservative party predecessors - David Cameron and Margaret Thatcher.
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May wrote that a "shared society" meant "a society that doesn't just value our individual rights but focuses rather more on the responsibilities we have to one another with a commitment to fairness at its heart".
"It goes to the heart of my belief that there is more to life than individualism and self-interest," she said.
Instead, in a radical departure for a Tory politician, she plans to use a speech tomorrow to say that the central government has a responsibility to do more to strengthen "the bonds" holding communities together.
The speech to the Charity Commission will be the Prime Minister's most explicit attempt to define what is being dubbed as "May-ism".
For the past 30 years, Tory social policy has been shaped by Thatcher's declaration that "there is no such thing as society" as she outlined a creed of individual responsibility.
Cameron sought to soften this approach by declaring, "There is such a thing as society, it's just not the same thing as the state".