He arrived very motivated, and I think he will be very useful for us.
Hazard has already notched 12 goals and a further 10 assists for the Blues this term and he appears on course to enjoy his best ever individual season despite the Blues' lack of consistency.
'The way I am can be a weakness to be the best player in the world.
'Maybe they think I can, but I know myself and I don't think I can. He added "Managers like Mourinho, Conte, now with Sarri want me to score 40, 50 goals a season but can I do that?" But I will try.
Gonzalo Higuain is showing the same level of determination in his first weeks at Chelsea that he displayed during his most prolific scoring season at Napoli, according to Maurizio Sarri. It's about everyone. My target is to help the team to win something'.
Cesc Fabregas has little conviction that Chelsea star man Eden Hazard will sign a new deal at Stamford Bridge.
However, having been a teammate of Hazard's for four-and-a-half years, Cesc Fabregas - who left Chelsea to join Monaco last month - reckons the 28-year-old playmaker will extend his stay at Stamford Bridge.
Higuain and Hazard played together for the first time in a awful 4-0 loss to Bournemouth.
"In the moment he is really very determined", Sarri said.
Both Hazard and Higuain will be hoping to feature when Chelsea FC take on Manchester City in the Premier League at The Etihad on Sunday afternoon.
Asked why he connects so well with Higuain, Chelsea's head coach replied: "Mentally I think it was the same, but I think that Gonzalo is very suitable for my football, so the feeling is really fantastic".