The winger was outstanding in victory at Sunderland this week.
"Eden is Eden, with his qualities he has to try to improve and I think what he has to try to improve is the way he starts every game; the focus, the ambition, the mentality. If he does that the potential is of course very good," explained the Chelsea manager.
"I think he needs to become comfortable with big responsibilities, this is a quality of the big players. They know they are better than the others, they accept the responsibility of being better than the others, when the team is not playing well enough to win the match they know the team is waiting for them to resolve the problems. The football world is full of teams where an individual can make the difference when collectively you cannot do it.
"He's a fantastic player for us, he can only improve, but if he can feel comfortable with his responsibility to be a special player that can make a difference for us and for him.
"The last performance is not an easy one to repeat. I'm not waiting for him today, from minute one to minute 96, to do what he did in the last game. He was unstoppable but I'm not expecting that; I'm expecting the same mentality, the same approach, and if does that, great."
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