City have swept almost all before them on the domestic front and are five points clear at the top of the table having scored a remarkable 48 goals in 14 games.
He said: "With us still learning to know each other better - and we are still a little bit behind on certain things - and learning a different style to what we played last year, there is still a lot to come from our team.
"The most important thing to stress is that we just stay calm.
"There is no reason to get carried away - it's a long season.
"This team is not just a load of great players. We are in this position because we have great spirit and a willingness to not get beat, and that is important."