"I rarely repeat playing the same role in a show. I figured I'd plumbed 90 percent the first time around, so let's move on to something where I'm starting from scratch"

Hal Linden is expressing his preference for range in his acting functions. He believes that when he has actually explored a character to the maximum degree, it is time to carry on to something brand-new. He indicates that he has a desire to keep challenging himself and to keep knowing. He is not content to simply repeat the very same role over and over once again. He wishes to keep pressing himself and exploring new characters and stories. This quote reflects his dedication to his craft and his desire to keep growing as a star. He is not content to simply rest on his laurels and duplicate the very same function. He wants to keep pushing himself and checking out brand-new characters and stories. This quote shows his commitment to his craft and his desire to keep growing as a star.