The former Barcelona man said: "That's a hard one because all the players here train at a very good level and have a good mentality to improve".
"I accepted it", Hazard told Telefoot, as quoted by Sky Sports.
The Belgian has been the best player in the Premier League this season with seven goals and three assists from eight games. "And he's not only a great footballer but I think he's a wonderful ad".
While Mourinho believes United are in "trouble" if they focus purely on Hazard, he is confident that the Belgian can lead his team-mates to glory if he keeps firing.
A player of Hazard's talents deserve better than this, and this will most likely contribute to Hazard deciding he needs to play for a bigger club that can compete.
The 31-year-old Brazilian has played in every minute of the Premier League campaign so far and his quality in possession is making him thrive in Sarri's system.
"Would I celebrate like insane, my team goal at Stamford Bridge or my team victory at Stamford Bridge?"
While the task facing the Old Trafford outfit is hard, they finished the match before the global break strong with a comeback win over Newcastle and Brown believes that can carry over and help the team build up some much-needed momentum. We work here with the players that stayed here.