You see, Wendy, when the first baby laughed for the first time, its laugh broke into a thousand pieces, and they all went skipping about, and that was the beginning of fairies.
温迪,你看,第一个婴儿第一次发笑时,笑声碎成一千片,四处蹦跳起来,仙子就是这样诞生的。
— J. M. Barrie · Peter and Wendy (1911) —