Arsene Wenger has conceded that Sir Alex Ferguson's current Manchester United side appear to be ''untouchable''.
United sit two points clear of Liverpool with a game in hand at the Premier League summit, with Arsenal 12 points off the pace in fifth.
Wenger, whose Gunners side went unbeaten in 2003/04, is refusing to give up on having a say in the title race but admits the Red Devils are currently some distance clear of the pack.
The two-goal return of Croatia striker Eduardo after a year out in Monday night's 4-0 FA Cup fourth-round replay win over Cardiff City gave Arsenal fans reason for cheer, but Wenger has warned that long-time rivals United will take some stopping.
''We are on a very strong run at the moment and we have promised to give everything until the last day of the season but at the moment Manchester United look untouchable,'' confessed the Arsenal boss.
''They are 12 points ahead of us and they have a game against Fulham which they will certainly win. If they win that they are 15 points in front and that means they need to lose five games.
''Let us say they lose one against us, that still leaves four. They still need to lose four other games, which they haven't done yet this season.
''But our basic target is to get into the Champions League and therefore the championship remains a priority.''
Wenger, meanwhile, told Cardiff that the trouncing meted out to them at the Emirates could be a good thing for their promotion ambitions.
The Frenchman believes that talented Championship sides can often get sidetracked in the knockout competitions to the detriment of their league form.
''Look at the table. They are, I think, fourth with a few games in hand. For them it is better they go out of the FA Cup,'' he said.
''I saw it a few years ago when we battled with Sheffield United when they had (Phil) Jagielka and (Michael) Tonge in a very good team.
''There were seasons when they did very well in the FA Cup and the League Cup and in the end they always failed to come up because it was very demanding to do both.
''In the Championship there are 24 teams so there are a lot of games. This is better for them.''