The versatile defender has urged his team-mate to keep on working hard as he targets more success in the next few seasons
The centre-back feels the Old Lady have already taken huge strides since the arrival of Antonio Conte in 2011, but insists that they still have work to do.
"Throughout our two-year journey, we've made a great deal of progress. No one thought we’d be able to win as early as last year and then go on to achieve back-to-back Scudetto titles," the Italy international told Sky Sport Italia.
"We’ll need to do well in the future to keep on improving, day after day, match after match. We know that it won’t be easy.
"Winning again isn't just about personnel, it’s also about the desire to achieve certain objectives."
Juventus will be looking to finish the 2012-13 campaign on a high at the weekend when they take on Sampdoria in their last game of the season.