Cooking is the art of adjustment.

Most people who came here came for economic reasons or sometimes for religious or political reasons. I didn't have any of this. I came here, I liked it, I stayed. So I'm a pure American - even more than people who are born here - because I did it by choice as an adult.

When I left to go into apprenticeship in 1949, it was only four years after the war, and people don't realize, we still had tickets for butter, meat and so forth in France until 1947. It's not like the end of the war, everything was plentiful - it wasn't.

The idea of old was to conform yourself to a style of cooking, it was not to create a style of cooking. Now the chef is so much into 'I want to sign that dish and say I am the one who made that dish.

I cooked at the White House for Easter, last year, with Michelle Obama. But it more had to do with cooking from the organic garden, and her message. I took my daughter and granddaughter there, and they were really charming, it was great.

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.

All the great chefs I know - Thomas Keller, Jean-Georges Vongerichten - they are technicians first.