Ukrainian Quotes and aphorisms about really Oleksandr Usyk Oleksandr Usyk Oleksandr Usyk Victor Pinchuk Wladimir Klitschko ,, Mental strength is really important because you either win or lose in your mind. And I'm not solely... Wladimir Klitschko ,, I have a Ph.D. in philosophy and sports science. At 14, I went through this really tough Soviet tra... Volodymyr Zelensky Max Levchin Max Levchin Vitali Klitschko