Anyone who has a continuous smile on his face conceals a toughness that is almost frightening. - Greta Garbo
Put character and mental toughness before execution and you will get consistent execution. - William James Moore
Toughness doesn't have to come in a pinstriped suit. - Senator Dianne Feinstein
Mental toughness is essential to success. - Vince Lombardi
I, with a deeper instinct, choose a man who compels my strength, who makes enormous demands on me, who does not doubt my courage or my toughness, who does not believe me naïve or innocent, who has the courage to treat me like a woman. - Anaïs Nin
Real mental toughness is about being conscious of your behavior patterns and from this knowledge, you are able to turn your life around. - Tara Estacaan
The charismatic portrait of the modern leadership looks nothing like Fidel Castro. It is a faceless portrait that epitomizes the toughness of Ronald Reagan, Nelson Mandela's charisma, and the most compassionate heart of Mother Theresa. - Anthony Obi Ogbo
Mental toughness is an element in the make up of perseverance. - Manuela George-Izunwa