Houllier said: "I would not like to call the point lead we have a cushion, but it is a lead we obviously want to extend.
"Any player here will tell you their wish is to finish fourth. Once you have that desire and dream, it is in your mind and your heart all the time.
"It is in your blood and when you get up in the morning you do everything you can for it.
"If someone in the camp doesn't do that for you, it betrays what we all are trying to do. Now it is just down to the players to keep going.
"I have told them because I know what they want, it has to be in the hearts and their legs for the rest of the season."