Authors: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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

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