"To play the first game, then to win with a good result, to score many goals, to finish the game with a clean sheet - I saw a lot of positive things tonight," he said.
On his five changes, he said: "To play in the Champions League it means the coach trusts you. My message tonight was this: I trust all my players, not with only words, but with facts.
"If we think like last season to play with only 13 players, we are crazy. We have to improve all these players to try to create a positive competition between them."
And he says the Blues will not rush Hazard back from his injury.
"We must have a bit of patience with him and to try to give the possibility for Eden to recover very well.
"We must be calm and to do the best for the player and for the team. Otherwise we risk a bad injury to delay the situation. This is the right way. This process is good for him."
Qarabag boss Gurban Gurbanov said: "The game was very difficult for us. Chelsea played very good. Chelsea is a favourite for the tournament.
"We made lots of errors and I accept we must play even better. But I am satisfied with the way we played."
BBC Sport
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