"We showed character and quality and we have to be really proud. The players have done a fantastic job and the fans will be really pleased with the team," said the boss.
"We were on top of them from the beginning. Credit must go to all the players, especially Lucas in the middle. In the position of Steven Gerrard he worked extremely hard. The players were pushing and pushing and we were very close.
"I think, clearly, when you lose you have to be disappointed but when you lose in this way you have to be proud and have your head up.
"Thinking about the Premier League, maybe it's positive because if we can score four goals here at Stamford Bridge, we can do the same in any stadium. We can win a lot of games with this mentality."