Her comments in a BBC Panorama interview came as Boris Johnson mounted another attack on Mrs May's strategy, claiming that the issue of the Irish border is being used to turn the United Kingdom into a "vassal state" and that talks will end in a "spectacular political auto crash".
May's former foreign minister, Boris Johnson, attacked May's Brexit plans.
But critics say her proposal would tie Britain too closely to the European Union, and argue that the Irish issue can be resolved through trusted trader schemes and the use of technology.
No new border plan will materialise before the Conservative Party conference on September 30-Oct 3, the diplomat said.
Amid all the talk of plotting, it was notable that two pro-Brexit heavyweights voiced support for Mrs May and her plan on Sunday.
The Environment Secretary said that while the blueprint was "the right one for now", a future prime minister would have the power to "alter the relationship".
Trade Secretary Liam Fox said on Sky News that the Prime Minister is "doing a great job in hard circumstances", and that supporting her "is in our national interest".
International Trade Secretary Liam Fox - another top Leaver in the cabinet - said Brussels had made "reassuring noises" in recent weeks on the Brexit talks.
One Brexiteer unlikely to heed Mr Gove's advice is Mr Johnson.
American professor detained by Israel in West Bank scuffle
A total of at least 179 Palestinians have been killed since violent demonstrations began along the border on March 30. At times, his Facebook account was suspended. "He did not hold back on his opinions", Hasten said.
Philip Hammond, the British finance minister, said the United Kingdom had made economic progress under May's government, but it stood "at a critical juncture" as it entered the final stages of the Brexit negotiations.
The idea was immediately rejected by May, the report said.
Last month around 50 members of the European Research Group - chaired by Brexiteer Jacob Rees Mogg - met to discuss how they could force her to stand down.
Brexit remains virtually the only topic on the United Kingdom government agenda.
He added that he believes the effects of Britain's impending withdrawal from the European Union are already being felt in the capital, as "our NHS wards are understaffed" and we are experiencing the "highest vacancy rates in London for mental health nurses, for NHS nurses and for social care".
Britain's Prime Minister Theresa May speaks to assembled guests as she hosts a reception to mark the 70th Anniversary of the NHS, at 10 Downing Street, in central London on July 4, 2018.
That would be music to the ears of the main opposition Labour Party, which has faced its own turmoil over how to balance competing views of Brexit.
"I'm an old-fashioned girl: if the government can't govern, there should be a general election".
"Countries depend on reputation for their science because we live in a global marketplace for talent and if we are perceived as an open society, that's welcoming to the best of world, then that enhances science and that is good for everybody", said Prof Venki. Signs are growing that the party has no intention of bailing the Prime Minister out.