He added: "We have the momentum, there is no doubt about that. And it could be important. We are playing very, very well now.
"We cannot get carried away because there are some monster teams left. But we are playing a lot better now, we are in the last eight and we know we have a great chance.
"We know what it's like to get to the Champions League final. That is why I'm sure the others will be worried about us."