11 September, 2017
The Liberal Democrat leader said they realise the United Kingdom does not have a strong hand in the talks and are "worried about the future of the country".
Britain remains divided over Brexit, and on Saturday thousands of people marched through London calling for the whole process to be abandoned.
"People who vote against it will be effectively voting to frustrate Brexit by producing a completely chaotic result".
Lord Adonis, head of the National Infrastructure Commission, declared that "eight-year-olds have a better grasp of the power dynamics" of Brexit than Mr Davis, the secretary of state for exiting the European Union. "And put jobs, rights and livelihoods first".
Customs declarations at the United Kingdom border that may be imposed after Brexit would affect 180,000 British traders and could cost them more than 4 billion pounds (€4.4 billion) a year, according to the Institute for Government.
Sir Vince said there is now a "swelling" of people who are "deeply alarmed" about where negotiations are heading and the "confusion and disunity" in the Government.
He said: 'If we go ahead with Brexit we will have taken the unprecedented decision for a major country to relegate ourselves, like a top-six Premiership side deciding to play exclusively in the Championship.
"Without it, we would be approaching a cliff edge of uncertainty which is not in the interest of anyone", he said.
"There's already plenty of evidence that companies are not investing at the moment".
Since becoming U.S. President in January, Donald Trump has pulled out of a planned trans-Pacific trade agreement and is pursuing a more isolationist economic policy.
Mr Davis made the claim last July before being appointed Brexit Secretary.
Davis denies this, saying the bill is a "pragmatic and sensible" way to deal with the huge amount of European Union legislation that must be incorporated into British law.
Britain's most powerful financial lobby group, TheCityUK, cautioned against complacency and called for clarity on its transitional arrangements for leaving the European Union, which will apply beyond April 2019, when Britain is due to formally leave.
He described the government's process of leaving the European Union as a "train crash" and said Brexit was already having an adverse impact on the nation.
"Whatever kind of deal we get, Britain isn't Brexit-ready in our view".
