"For me, it is an wonderful thing", he told the club's official website.
"Clearly we would always like to keep all the strongest players. I hope that I will manage to improve him". "He's one of the top two or three European players".
"I can not change 20 players, I must adapt and then I will see if we change something in my game".
"It's a way of football that I believe in, that I really like, that I grew up in this system", the 31-year-old said.
"At the end of the transfers (window) I will understand which type of game is the most suitable".
"Our task as managers is growing players that we have", he added.
"I hope I will manage to improve him, this is very hard as he is at a high level".
"However I need to have fun to do well and I have noticed that in the past year something changed in the Premier League".
He said: "I have to say sorry to everybody because my English is not so good". We will not let each other go.
"I can not claim to come here and change 20 players".
"If I was someone who always anxious, probably I would do another job".
Italian website Calcio Mercato, as quoted by The Sun, is reporting that the Blues have already turned down a £107m offer for the Belgium global from the Champions League winners.
"Our job means risks but there is also a lot of satisfaction".
Chelsea FC appointed Maurizio Sarri as their new manager last weekend following Antonio Conte's sacking.
European Union agrees on data deal with Japan
President of the European Council Donald Tusk said: "Politically, it's a light in the increasing darkness of global politics". It will form a single trading bloc of some 600 million people, one that comprises almost 30 percent of the world's economy .