INTRODUCTION 
1 AM beginning to believe that the success 
or failure of this book must somehow 
depend upon this Introduction. Certainly 
that is true if labor is any basis for judgment. 
This is, I think, the tenth time I have written 
the Introduction —and as I type these lines I 
am not sure yet that I am saying just what I 
want to say in exactly the way I want to 
say it. 
I started out by writing my Introduction 
first. Then after almost each new chapter I 
would go back and rewrite this infernal 
Introduction —and here I am at it again, after 
the balance of the book is all finished and 
nearly ready for the press. 
Yet all this effort is not because I think the 
Introduction is so important in itself—but be¬ 
cause I believe it is of utmost importance that 
I get on the proper basis with my readers 
right at the start and have you understand 
just what I am striving for and hoping to 
accomplish in the following pages. If you 
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