Obama isn't good off the cuff, especially when challenged; he is far better with a prepared speech.
Elliott AbramsWhat interests me in life is curiosity, challenges, the good fight with its victories and defeats.
Paulo CoelhoLeadership cannot just go along to get along. Leadership must meet the moral challenge of the day.
Jesse JacksonThe truth is, I'm just a rough old New Zealander who has enjoyed many challenges in his life.
Edmund HillaryI am still a person with a sense of superficiality that I'm trying to challenge.
Gwendoline Christie