be present in other chapters of the book.
An understanding of the nature of the problem will show that present methods of dispensing justice, giving charity, dealing with defectives and working for social betterment need careful examination and numerous modifications, if they are not to be ineffectual or merely palliative, or worse still, if they are not to give temporary relief at the cost of greatly aggravating the social disease in the end.
In the past America has given and at present still gives much thought to the individual and little, if any, to posterity. Eugenics does not want to diminish this regard for the individual, but it does insistently declare that the interests of the many are greater than those of the few, and it holds that a statesmanlike policy requires thought for the future as well as the present. It would be hard to find a eugenist to-day who would propose, with Plato, that the infants with bad heredity should be put to death, but their right to grow up to the fullest enjoyment of life does not necessarily include the right to pass on their defective heredity to a long line of descendants, naturally increasing in number in each generation. Indeed a regard for the totality of human happiness makes it necessary that they should not so continue.