Manchester City midfielder Bernardo Silva insists no-one inside the club are getting carried away with their unbeaten record this season.
"In football, you are never invincible," Silva told Sky Sports.
"Of course it has been good up until now. In the Premier League, we haven't lost yet a game so it is very good for us and our confidence.
"But we have to keep working the same way we have been doing from the start of the season. That is what we will try and do.
"It is good for the confidence not to have lost yet."