In this excerpt, the author highlights the significance of a child's presence and essence, suggesting that a child holds more importance than a joke or superficial entertainment. The statement questions the utility of a child without purpose or meaning, emphasizing that a child's value goes beyond mere playfulness or trivial amusement.

The quote underscores the idea that children are inherently meaningful and vital, much like a joke that serves a purpose through humor. Lewis Carroll implies that a child's existence is inherently important, and their role in life shouldn't be dismissed or considered insignificant. The comparison stresses the profound importance of children in our lives.