Hazard, who has scored or assisted in each of Chelsea's four games this season, took over the game shortly before halftime.
Chelsea rarely relinquished control from that moment on, but it wasn't until substitute Willian won a penalty in the 80th that the Blues put the game beyond doubt. Along with the London based outfit, the likes of Liverpool and Manchester City have also commenced their Premier League season in a confident fashion.
Maurizio Sarri has said he has been warning his Chelsea players all week about the danger of dropping points after worldwide breaks as they prepare to resume their Premier League campaign at home to Cardiff City on Saturday.
The Blues are now on top of the Premier League table with 15 points.
Manchester United and Arsenal stay six points off the top after 2-1 wins at Watford and Newcastle respectively.
"I think he can spend less energy than now, ' he said".
Human case of West Nile virus identified in Simcoe Muskoka
The West Nile virus was first detected in Greece in 2010 with a record of 262 confirmed cases and 35 deaths. WNV and EEE are arboviruses that are transmitted from the bite of an infected mosquito.
WORST PLAYER - All the central roles were a disappointment for Chelsea really, with perhaps some hangover in the squad from the worldwide break.
Pedro went close twice more once Chelsea discovered some second-half urgency just past the hour.
But Hazard was keen to praise his attacking partner, Olivier Giroud, for his contribution to Chelsea's win. "We need to improve, but we are able to and can improve very quickly".
Terry made more than 700 appearances for Chelsea, winning five Premier League titles, five FA Cups and the 2012 Champions League. However, they shouldn't underestimate Cardiff.
Chelsea FC will kick off their Europa League group stage campaign on Thursday night when they take on PAOK away from home.
Hazard scored his third goal in the 80th minute via a penalty before Brazil global Willian netted the fourth and last goal for the Blues to win the match 4-1.