Complex sentence: Krishnamurti's statements on the matter of authorship have been changeable and open to interpretation; his final position (decades after the original publication) was that he had no memory of writing it, although he did not discount the possibility.
Split into simpler sentences: Krishnamurti's statements on the matter of authorship have been changeable and open to interpretation. Decades after the original publication, he stated that he had no memory of writing it, although he did not discount the possibility.