In the quote, the blind man’s interest in playing with matches is humorously justified by his skill at it. It highlights a paradox where his blindness doesn't prevent him from being talented or confident in activities typically associated with sight, like handling fire and sparks.
The excerpt suggests that this ability is both a strength and a danger, symbolizing the double-edged nature of talents that can be used for good or evil. It emphasizes how skills can be dangerous when misused, even if they are impressive or impressive in context.