Mental strength is really important because you either win or lose in your mind. And I'm not solely talking about sporting matches, boxing events - anything you do, you do it first with your mental strength. And you can actually train and develop it, and I am responsible for what I'm saying because I have experience with that.
-Wladimir Klitschko
Select a background
More quotes by Wladimir Klitschko
Popular Authors
A curated listing of popular authors.