"Paul's the writer. Yeah, I wrote a little of that stuff, but that's just technically true. In spirit, and in essence of the truth, it doesn't matter. So I don't know, maybe I'm being foolish for not being technical. Yeah, I wrote a certain portion of the things"

This quote by Art Garfunkel talks to the concept that the technical fact of who composed something is not as crucial as the spirit and essence of the truth. He is saying that although he technically composed a part of the work, it does not matter in the grand scheme of things. He is questioning whether he is being absurd for not being technical about who composed what. This quote talks to the concept that the truth of a situation is more vital than the technical information. It is important to acknowledge the spirit and essence of the reality, rather than just the technical details. Art Garfunkel is recommending that it is more important to concentrate on the fact of a circumstance, rather than the technical details.