Then, there's this:
She couldn't be more ordinary, and yet, she had an extraordinary grasp of common sense.
Many times I've observed this in my own family, many of whom are people who live off the land. Their way of life fosters knowledge frequently absent in more "modern" lifestyles.
It isn't easy to make a living from a farm and takes a great deal of knowledge and hard work to make it successful -- lessons a person who draws a salary and benefits often never learn. Our current professors in their Ivy covered ivory towers like to scorn George Washington and Thomas Jefferson. Visit Mt. Vernon, or Monticello, sometime and look at all they had to know to keep their plantations successful and to feed all of the people who were dependent upon them.