"I'd say the most memorable thing for me was my dedication and motivation in how I got so involved in boxing"

"What everyone in the astronaut corps shares in common is not gender or ethnic background, but motivation, perseverance, and desire - the desire to participate in a voyage of discovery"

"Believe you can and you're halfway there"

"The only thing standing between you and your goal is the story you keep telling yourself as to why you can't achieve it"

"One of the things I have tried to do with this book and with all of them really is avoid that simple, easy, reductionist view of motivation and to show we do things for a complex net of reasons, a real braid of reasons"

"I think a lot of times it's not money that's the primary motivation factor; it's the passion for your job and the professional and personal satisfaction that you get out of doing what you do that motivates you"

"Boxing gave me the opportunities to grow into the person that I am today"

"Aside from a handful of guys boxing is missing the good trainers, that's why our sport is so in the air now because we don't have people who have the capability to not only train fighters but also train and create decent respectable citizens of the world"

"A computer once beat me at chess, but it was no match for me at kick boxing"

"One very important aspect of motivation is the willingness to stop and to look at things that no one else has bothered to look at. This simple process of focusing on things that are normally taken for granted is a powerful source of creativity"

"New York's like a boxing match. In Hollywood, it's like a Fellini movie or something"