The Gunners were outplayed by the Bundesliga leaders as the German side ran out 3-1 winners in the first leg of the last-16 tie at Emirates Stadium on Tuesday.
Despite the prospect of a daunting trip to the Allianz Arena, Ramsey insists that the north Londoners are convinced they can turn the result around.
“Teams have been in this position before and managed to pull it off. Hopefully, we can have that sort of mentality,” Ramsey told talkSPORT.
“We need a bit of luck on the night but it’s been done before.
“We want to do well as a team and do well for him. He’s put all his faith into us and we have to repay him with the results.
“In the last couple of games they haven’t been what this football club should have.”
Get 8/1 enhanced odds on Tottenham to win or 11/1 enhanced odds on Liverpool to win at White Hart Lane on Saturday afternoon. Click here to sign up now. T&Cs apply.
MORE: Latest Man Utd news
MORE: Latest Arsenal news
MORE: The latest football news