"I think we really do believe we can win the league now," said the midfielder.
"We deserved the win, especially the way we played in the first half with four efforts hitting the woodwork but now we must keep going.
"There are still seven more Premier League games so we must keep working hard but I think we have enough quality to win the title.
"Whatever Manchester United did against Villa this gave us the belief - especially the fans.
"We are in a fantastic position now, we have confidence, everybody is playing well so that's the most important thing, especially at the end of the season, and everyone is fit."