"Our Time. Our City".
Mourinho attempted to end the stalemate - and the tedium - by introducing Anthony Martial with half an hour remaining and his introduction undoubtedly lifted the quiet Old Trafford atmosphere.
Speaking at a press conference, Guardiola said: "Since November and December we have already been champions - when I saw pundits and people (say it is) "impossible for City to drop points".
"This is not a dynasty, it is one title we've won".
After two relatively low-key wins in their first three matches, this stunning demolition of Liverpool served as an early sign that City were a different proposition from the team that struggled to impose themselves the previous season.
"We are just trying to improve a little bit more, to give sequence to it".
"I think to compare them to ourselves, Arsenal and Chelsea, you have to win multiple titles".
City, who rebounded from the United loss and a European exit at the hands of Liverpool by beating Tottenham Hotspur 3-1 at Wembley on Saturday, have 87 points with five games left.
Manchester City have defeated every single team this season in the Premier League - only the third time that a Premier League team have done this in a single campaign (Manchester United in 2010-11 and Chelsea in 2005-06). "Our Time. Our City".
Kompany spoke via Facetime to Kevin De Bruyne, who expressed his excitement for what is sure to be a wonderful day for everyone involved with Man City next weekend, when they face Swansea at the Etihad.
"So, we have to do it, like we have all season".
Few - including Guardiola - expected it to happen on Sunday.
But the secret to Guardiola's success is also taking the raw talent at his disposal and harnessing it into something even more special. An exciting finale to the 2017/18 Premier League season beckons...
Amongst the players that can be seen in the video include Fabian Delph, John Stones and Bernardo Silva, whereas they were also joined by a host of Man City fans.
Everything was complicated, they couldn't play simple, everything was one more touch, one more flick, one more turn, the ball lost. They are able to win their games, all six.
Ederson's unconventional but reassuring presence has underpinned the Premier League's most miserly defence, one led by Otamendi - the most remarkable transformation of them all.
It was a reminder that this had never been a title race - just one long, glorious procession for City, playing football from what, on the other side of town, looks like another dimension.