The Reds managed a 0-0 draw against Manchester City at Eastlands on Sunday.
He told Sky Sports: “I have to believe. If the manager doesn’t have confidence it is difficult for the players.
“I think we have enough quality, Yossi (Benayoun) is coming back, (Fernando) Torres is coming back, hopefully (Glen) Johnson will come back in the next week.
“So we are now bringing players back and the competition will be better for us and hopefully we can improve.”