Barcelona president Sandro Rosell isn't bothered by criticism coming from Real Madrid and Arsenal this past week.
He feels no need to respond to such public attacks.
"I'm happy my coach and players speak on the pitch," he said. "(Lionel) Messi does his speaking on the field and that's what Pep (Guardiola) does too, in his way."
With Barca seven points clear of nearest rivals Real Madrid and seemingly heading for a third successive title under coach Pep Guardiola, Rosell remains cautious.
"Winning is important but you take it step by step," he said. "There is no point making calculations now.
"In football you cannot say anything until the mathematics proves it. With so many games left, seven points is nothing."
