Believe in yourself! Have faith in your abilities! Without a humble but reasonable confidence in your own powers you cannot be successful or happy. Norman Vincent Peale

Desire is the key to motivation, but it's determination and commitment to an unrelenting pursuit of your goal - a commitment to excellence - that will enable you to attain the success you seek. Mario Andretti

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. Martin Yan