The Bianconeri are 10 points adrift of Inter who are at the top of the Serie A with just seven games remaining.
“The important thing is to think positive,” Grygera said. “It’s was a real shame not to take any points back home with us at the weekend.
“Anyway we have to do our best from now until the end of the season. We have jobs to do in the championship, where we still have to look both in front and behind us, and in the Coppa Italia where we can reach the final.
“We need a great Juventus,” he concluded. “Sure, with a challenge like that against Inter this weekend we are not lacking in motivation.
“We are a group of great character and I am sure that we will succeed in putting our recent troubles behind us.”