Barca stars have been accepting of Setien's new ideas.
Quique Setien has been impressed by the attitude of Barcelona players, adding it has been a "wonderful" first week in training.
Setien, who was named as Ernesto Valverde successor following Barca's 3-2 loss to Atletico Madrid in the Supercopa semi-final, is delighted with how his new players have been accepting of new ideas.
"The week has gone very well, much better than I expected," Setien, the former Real Betis boss said as Goal quoted. "When you come to a new team there's always uncertainty about how they're going to respond.
"There's always that stimulus and you can see they're very keen. I've been very surprised by the attitude of the players, how accepting they've been of new ideas.
"I'm happy with everything: the work, the capacity the players have to understand everything you tell them. It has been wonderful. Marvellous."
The 61-year-old says his new players need time to adapt to his football philosophy.
"There's no doubt we like players to play orderly systematic football," the new coach said. "We like them to get back into position when they lose it. We need a balance, Barca needs a structure to attack and also to defend.
"I hope it won't be an over-excited Barca but a motivated one that wants to put into practice what we've worked on. I think you will notice the changes - I hope so - but please remember it's not going to happen overnight.
"If a player is receptive and really wants to learn and improve, you might be surprised what they are capable of doing. Every player has what they have but some outperform themselves. It's about learning and expanding your abilities and becoming even better still.
"Sometimes players aren't playing where they feel or play best, but they must put their all into what's best for the team."
Setien's first game as head coach of the Blaugrana will be a LaLiga clash against Granada on Sunday.