In this quote by Oscar Wilde, the author suggests that it is better to avoid dwelling on the negative aspects or difficulties of life. By advising to say less about life's sores, Wilde emphasizes the importance of focusing on the positive aspects of life and avoiding unnecessary negativity. This can be interpreted as a reminder to maintain a positive outlook and mindset in the face of challenges or hardships. Wilde's quote encourages individuals to move past setbacks and focus on the brighter side of life.