You can take your fitness seriously, but not yourself. That's the most difficult part: not to relax. That's the most difficult challenge I'm facing every fight.
Wladimir KlitschkoThat's the most terrible mistake you can make: to relax. It's difficult to become a champion, but it's more difficult to maintain it for many years because you're getting too comfortable.
Wladimir KlitschkoThe challenge for me is his size because, for the first time in my career, I'll be meeting an opponent who is taller than me and has a longer reach.
Wladimir Klitschko