get a structure that will comprehend all the aspects of life.
For the great majority of mankind at least it can be held that life resolves itself quite simply and obviously into three cardinal phases. There is a period of youth and preparation, a great insurgence of emotion and enterprise centering about the passion of Love, and a third period in which, arising amidst the warmth and stir of the second, interweaving indeed with the second, the care and love of offspring becomes the central interest in life. In the babble of the grandchildren, with all the sons and daughters grown and secure, the typical life of humanity ebbs and ends. Looked at thus with a primary regard to its broadest aspect, life is seen as essentially a matter of reproduction; first a growth and training to that end, then commonly mating and actual physical reproduction, and finally the consummation of these things in parental nurture and education. Love, Home and Children, these are the heart-words of life. Not only is the general outline of the normal healthy human life reproductive, but a vast proportion of the infinitely complex and interwoven interests that fill that outline with incessant interest can be shown by a careful analysis to be more or less directly reproductive also. The toil of a man's daily work is rarely for himself alone, it goes to feed, to clothe, to educate those cardinal consequences of his being, his children; he builds for them, he plants for them, he plans for them, his social intercourse, his political in-
