Itzhak Perlman

I have a very simple philosophy. One has to separate the abilities from the disabilities. The fact I cannot walk, that I need crutches or a scooter or whatever it is, has nothing to do with my playing the violin.

Frankly, as much as I love to improvise, it hasn't been difficult to stick to the script on 'Mad Men.' The writing is so precise, and the story so carefully crafted, that I don't think there's room - or need - for ad libbing. I could never come up with dialogue as lovely as these writers do, anyway.