"Actors, I don't think, ever really grow up. I'm hoping that that rejuvenating process applies to me, too. It has so far. I've been very lucky"

Derek Jacobi is recommending that stars never ever actually grow up, and that they are able to stay younger and creative throughout their professions. He is revealing his hope that this will hold true for him too, which he will be able to remain imaginative and vibrant as he ages. He acknowledges that he has been lucky so far, and that his rejuvenating process has actually succeeded. This quote talks to the idea that actors are able to stay innovative and youthful throughout their professions, and that this is something to be commemorated. It also speaks with the idea that age is not a barrier to creativity, and that it is possible to stay creative and younger even as one ages. This quote is a tip that age should not be a barrier to creativity, which it is possible to remain creative and vibrant even as one ages.