English Original
A man was telling a story to his four-year-old son. The boy noticed a lock of gray hair on his father's head and asked, "Why is some of your hair gray, Papa?"
"Papa gets a gray hair every time his little boy is naughty," his father replied, hoping to use the opportunity to teach a moral lesson.
The boy thought for a moment, then said naively, "Oh, I see why Grandpapa has so much gray hair. He must have had very naughty boys."
中文翻译
一位父亲正在给他四岁的儿子讲故事。小男孩注意到父亲头上有一缕白发，便问道：“爸爸，你的头发怎么有些是白的？”
“每当我的小男孩顽皮一次，爸爸就会长出一根白头发，”父亲回答道，想借此机会给他上一堂道德课。
小男孩想了一会儿，然后天真地说：“哦，我明白为什么爷爷有那么多白头发了。他一定有过非常顽皮的儿子们。”