There are some Barca fans unhappy with Pique's arrival after the way he left for Manchester United as a 17 year-old.
"The truth is that I've noticed there's people who do not want me here," Pique told Sport. "I suppose there are people who did not understand my decision and my return has surprised them.
"But the last word will come from my performance on the field.
"I hope to convince all those who gambled on me and also the most skeptical."