This quote suggests that modesty, as a virtue, predates the invention of clothing and will continue to exist even if clothing were to disappear. It implies that modesty is not merely about physical coverage but rather an inherent quality that extends beyond the physical. It’s about one’s attitude, behavior, and the way one treats others, not just about what one wears.

Twain seems to be challenging the conventional association of modesty with physical attire, arguing that true modesty is a deeper, more intrinsic quality that is independent of external factors like clothing. He suggests that modesty existed before clothes were invented, and it will continue to exist even if clothes were to become obsolete.

Applying this idea to today’s world, it could be argued that society often places too much emphasis on physical appearance and the outward display of modesty, while neglecting the importance of inner modesty. This quote reminds us to focus less on the external and more on the internal, to value modesty in our thoughts, words, and actions, not just in our attire.

In terms of personal development, this quote encourages us to cultivate modesty as an inherent quality. It suggests that true modesty is about being humble, respectful, and considerate, regardless of our outward appearance. It reminds us that modesty is not something that can be put on or taken off like a piece of clothing, but rather a virtue that should be consistently practiced in every aspect of our lives.