"I was really disappointed and angry after we lost to Marseille, but being angry doesn't change anything.
"You have to analyse why we've played so bad some days and why we were so good at the beginning of the season.
"To play for Alex Ferguson or Arsene Wenger you need a special mentality and it's the same for us.
"At Liverpool players know they must have quality, must work hard and have a strong mentality. That's the only way to win trophies."