I still believe that love is all you need. I don’t know a better message than that.

McCartney reaffirms a simple ethical credo associated with the Beatles’ late-1960s idealism—especially the slogan-like refrain “All you need is love.” The phrasing “I still believe” signals endurance: despite decades of personal loss, public scrutiny, and changing cultural moods, he presents love as a sufficient guiding principle for human relations. By adding “I don’t know a better message than that,” he frames the idea not as naïve sentimentality but as a distilled conclusion from experience—an intentionally universal, nontechnical prescription meant to cut across politics, religion, and generational divides.