Arsene Wenger will not accept he is sending Arsenal into a "mission impossible" at Bayern Munich on Wednesday night.
Arsenal trail the Champions League tie 3-1 from the first leg and must score at least three times in Bavaria to deny their hosts a place in the quarter-finals.
No side has managed that all season against Bayern, who have conceded twice on just two occasions and go into the game on the back of 11 straight wins.
Arsenal travel without Jack Wilshere and Bacary Sagna, but Wenger told the club website: "It is not mission impossible.
"It can be done, but first of all you need 100 per cent commitment, attitude and things to go your way. But usually football goes your way when you have the right attitude.
"There is a kind of feeling of 'let's really play with freedom'. Let's start strong. We have to create doubt in their mind and you only do that if you have a real go.
"The chance you have is to make insecure the certainty Bayern have at the moment. That you can only do...