You have no choice as a professional chef: you have to repeat, repeat, repeat, repeat until it becomes part of yourself. I certainly don't cook the same way I did 40 years ago, but the technique remains. And that's what the student needs to learn: the technique. Jacques Pepin
I'm talking as a professional impresario. I'm not judging anybody at all. Norman Granz
I want all of you to know that I intend to beat this disease. And further, I intend to ride again as a professional cyclist. Lance Armstrong
But as an amateur, the highest level you can box at is the Olympics. I did that at 18 and felt it was time to move on to other challenges as a professional. Billy Joe Saunders
I am accustomed, as a professional mathematician, to living in a sort of vacuum, surrounded by people who declare with an odd sort of pride that they are mathematically illiterate. David Mumford
As a professional journalist who nonetheless champions a 'people's' Internet, I am happy to compete against the thousands of amateur bloggers out there reporting and commenting on the same stories I do. Douglas Rushkoff