[ concentration and mental toughness are the margins of victory. Quotes ]



Showing search results for Quotation - Concentration and mental toughness are the margins of victory. - Dictionary Quotes
quote 1


Concentration and mental toughness are the margins of victory.
Concentration
Bill Russell

Comment this quote | Permalink | Vote for this quote  | 601 votes
Research is what I'm doing when I don't know what I'm doing.
[ Research ] Wernher Von Braun