Summary
This quote suggests that possessing practical knowledge and expertise, or "know-how," will always be more valuable and effective than relying on speculation or conjecture, referred to as "guess-how." It emphasizes the importance of tangible experience and hands-on learning in achieving success. It implies that taking action based on informed and proven methods is more likely to yield desired outcomes, compared to relying on mere assumptions or trial-and-error approaches. In essence, the quote underscores the superiority and superiority of factual knowledge over speculation or guesswork.