Warren Buffett says this 1 skill will multiply your success. In the AI age, it’s more valuable than ever

Warren Buffett has spent decades dispensing simple advice that tends to age remarkably well. One quote has become even more relevant in 2026 than when Buffett first shared it. In an era where AI can write emails, summarize meetings, draft business plans, and generate presentations in seconds, the ability to communicate as a human has become a genuine competitive advantage. Speaking to a Stanford graduate many years ago, Buffett offered this advice: At your age, the best way you can improve…