《淮南子·说山训》
尝一小块肉，就可知道一锅肉的滋味；悬挂羽毛和木炭，就可知道空气的湿度：这是通过小来知道大的事例。
尝一脔肉，知一镌之味；悬羽与炭，而知燥湿之气；以小明大。
Tasing a small piece of meat will let you know the flavor of a whole pot of meat; hanging feathers and charcoal will let you know the humidity of the air: these are examples of knowing the big from the small.