Pellegrini's City has stumbled in the past week after defeat at Cardiff City.
Toure told Fichajes.net: "As I call him, Professor is very smart, knows what he wants. We have worked very hard in preseason.
"To be better, there is no secret, you have to work harder than the rest. Everything went well in the preseason, everybody together, I think it is a good omen for the rest of the season."
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