"I remember certain lines and whose they are"

In this quote, Warren Zevon is assessing his memories and the impact that certain lines have had on him. He is acknowledging that there are specific phrases or words that have actually stuck with him and he remembers who they originated from. This might refer to lyrics from tunes, quotes from books or films, or perhaps personal discussions with liked ones. Zevon is highlighting the power of language and how it can leave a lasting impression on our minds. It also talks to the significance of giving credit to those who have influenced us and shaped our ideas and memories.