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.
Ellen Ochoa

When an actor comes to me and wants to discuss his character, I say, 'It's in the script.' If he says, 'But what's my motivation?, ' I say, 'Your salary.'
Alfred Hitchcock

While many hackers have the knowledge, skills, and tools to attack computer systems, they generally lack the motivation to cause violence or severe economic or social harm.
Dorothy Denning

Y'know, the real reason why I was such a failure in the sense of being unable to make any sort of a living was because I was really not motivated. I had no motivation.
Paul Twitchell

Yes, my life is a life of combat; I can say that this has never stopped for a single instant. It is a combat that started for me at the age of 16. I'm 90 years old now, and my motivation hasn't changed; it's the same fervour that drives me.
Ahmed Ben Bella

You know looking back on it now I used the fight and after the fight as motivation, to make sure I was going to be the best middleweight in the world for a long time.
Marvin Hagler