He insisted he was not aiming for no-deal, but said the Government had to show it was serious about leaving if it was to stand any chance of securing concessions from the EU.
"I don't think that we will end up with any such thing, but it is only responsible to prepare vigorously and seriously for no-deal. I will hit the ground running and engage in friendliest possible way with friends across channel". The Conservative Party is looking for a replacement as PM and prominent among the list of contenders to succeed her is former foreign secretary Boris Johnson.
"I think if we now block it, collectively as parliamentarians we will reap the whirlwind and we will face mortal retribution from the electorate".
Asked if he could be trusted, Johnson said he could.
However, Chancellor Philip Hammond said he was in danger of boxing himself "into a corner", warning the European Union would not re-open negotiations on Theresa May's Withdrawal Agreement.
He warned that failure would see the ruling Conservatives lose at the next election to leftist leader Jeremy Corbyn's Labour party.
If passed the motion would have would allowed MPs to take control of the House of Commons agenda - which is normally in the hands of the Government - on Tuesday, June 25.
But he is also one of its most divisive, accused of lying in the Brexit campaign, making embarrassing policy gaffes and drawing criticism for derisory comments about ethnic minorities and gay people.
"Instead, we have witnessed candidates openly advocating a damaging no-deal Brexit and even proposing dragging the Queen into politics by asking her to shut down Parliament to achieve this".
However he rejected past charges of untrustworthiness levelled at him by colleagues and rivals.
British lawmakers on Wednesday (June 12) defeated an attempt led by the opposition Labour Party to try to block a no-deal Brexit by seizing control of the parliamentary agenda from the government.
Labour sources admitted that there was concern that Tories who may be inclined to back the motion would instead remain loyal to the party line until a new leader had been chosen.
As the result was announced, Tory MPs cheered on the benches.
The Conservatives will whip against the motion, Number 10 confirmed on Wednesday, meaning ministers who oppose no deal would need to resign in order to support it. Theresa May's spokesman said it would set an "uncomfortable and troubling" precedent.