Ukrainian Quotes and aphorisms about train Oleksandr Usyk ,, The toughest opponent is me. A lot of times, you don't want to train. You don't want to box. Someti... Vasyl Lomachenko Wladimir Klitschko ,, Mental strength is really important because you either win or lose in your mind. And I'm not solely... Wladimir Klitschko Wladimir Klitschko Wladimir Klitschko