This was a victory hewn directly from the bedrock of the Manchester United philosophy and principles instilled in the club during the quarter-century when Ole Gunnar Solskjaer's mentor Sir Alex Ferguson was in charge at Old Trafford.
"We're back in the top four and hopefully we can keep going and get the Champions League spot". Indeed, the symbolism of this...
"The dressing room was bouncing, they were happy, looking forward to Wednesday", said the Norwegian.
After watching De Bruyne limp off in first-half stoppage time, Guardiola then saw Stones leave the field minutes after the restart on his return after three games out with a groin problem.
And Hislop has praised Lukaku - who had scored a mere six goals in the league at the time of Mourinho's sacking in December - for giving his best in hard circumstances.
One trophy already secured, Man City's quest for the quadruple is now well and truly on as they prepare for a tough period that sees them play four more times before the middle of March. They are now just three points behind Tottenham at third. His first goal was a neat finish into the bottom right corner from inside the box with his weak foot to give United a 2-1 lead.
"He's gone through the academy, we know what he's capable of, he's got loads of energy, drive".
"I have to say that we felt invincible", Solskjaer said.
"Romelu Lukaku, even when he was getting stick from United fans and from the likes of us, even when he was being asked to do ridiculous things in my opinion under Jose Mourinho, he did so without complaint", he told ESPN FC.
The calls to make Solskjaer the permanent boss are growing as his unbeaten league run continues, and BT Sport pundit Rio Ferdinand believes that his former teammate has earned the right to lead United into next season, as detailed in the Mail On Sunday. I always watch on my phone after the games, of course.
"I am a striker and I wanted Paul Pogba to score the penalty", Lukaku said.
Speaking after the game, Lukaku proved why he was the ideal team-player, as he stated: "We knew we had to win the game today and did it". Certainly either the equaliser or the substitution seemed to perk up the home side for in another five minutes they were in front, Lukaku neatly eluding Jan Bednarek in the area to give himself room for a low shot beyond Gunn.
"In the second half the goal was offside".