He then uttered a phrase that he would never have been expected to come out with as recently as this time last year. “It’s probably good for me – it’s a wake-up call.” He even repeated it as the languages changed as the conference wore on. “You have to have losses like that, they wake you up.”
News - Internazionali BNL d'Italia - Official Site
That was Federer reacting to his surprise loss in the 2nd round of Rome Open Tennis tournament. It's good to use a loss as a motivation to work harder. Good luck Roger in the rest of the clay season! (Hope to see you soon!).