"The accepted notion is that age confers a spirit of reconciliation and serenity on late works, often expressed in terms of a miraculous transfiguration of reality....But what of artistic lateness not as harmony and resolution, but as intransigence, difficulty, and contradiction? What if age and ill health don’t produce serenity at all? "

Thoughts on Late Style by Edward Said https://www.edwardsaid.org/articles/thoughts-on-late-style/