Excerpt: We shall find our rootage in the soil. ...This new character, this clearer sense of relationship with the earth, should express itself in all the people and not exclusively in farming people and their like. ...Now, here lies a difficulty and here is a reason for writing this book: the population of the earth is increasing, the relative population of farmers is decreasing, people are herding in cities, we have a city mind, and relatively fewer people are brought into touch with the earth in any real way.