As it turns out, there is of wisdom in those words.
Apples also are a good source of fiber, particularly when eaten with the peel.
Which brings us to the reader question of the month. Howard Powers of Marion wants to know why so many recipes call for peeled apples. For sauce, I cook and blend, sweeten very slightly, add some cinnamon candy for color and flavor. We use it for sauce, on pancakes and on cereal rather than sugar. Howard raises a good point.