《笑林广记·讥刺部》
第三年又生了一个儿子，秀才笑道： 这样大的岁数了，还能得子，真是笑话。 
次年，又生一子。笑曰： 如此老年，还要生儿，真笑话也。 
The third year, she gave birth to another son, the scholar laughed and said: At such an advanced age, I can still have a son, it's really a joke.