A really intelligent nation might be held together by far stronger forces than are derived from the purely gregarious instincts. A nation need not be….

It is notorious that the same discovery is frequently made simultaneously and quite independently, by different persons. Thus, to speak of only a few….

I know of scarcely anything so apt to impress the imagination as the wonderful form of cosmic order expressed by the "Law of Frequency of Error." The….

What nature does blindly, slowly and ruthlessly, man may do providently, quickly, and kindly. As it lies within his power, so it becomes his duty to ….

Englishmen Francis Galton to describe the "science" of bettering human stock and the elimination of unwanted characteristics... and individuals. Galt….

The object . . . is to discover methods of condensing information concerning large groups of allied facts into brief and compendious expressions suit….

Eugenics is the study of the agencies under social control that may improve or impair the racial qualities of future generations either physically or….

All male animals, including men, when they are in love, are apt to behave in ways that seem ludicrous to bystanders..

Some people hate the very name of statistics, but I find them full of beauty and interest. Whenever they are not brutalized, but delicately handled b….

The publication in 1859 of the Origin of Species by Charles Darwin made a marked epoch in my own mental development, as it did in that of human thoug….

It is difficult to understand why statisticians commonly limit their inquiries to Averages, and do not revel in more comprehensive views. Their souls….

The conditions that direct the order of . . . the living world . . . are marked by their persistence in improving the birthright of successive genera….

It is always the case with the best work, that it is misrepresented, and disparaged at first, for it takes a curiously long time for new ideas to bec….

I do not so easily think in words.... after being hard at work having arrived at results that are perfectly clear... I have to translate my thoughts….

Whenever you can, count..

Well-washed and well-combed domestic pets grow dull; they miss the stimulus of fleas..

One of the effects of civilization is to diminish the rigour of the application of the law of natural selection. It preserves weakly lives that would….

Characteristics cling to families..

The aim of eugenics is to represent each class or sect by its best specimens; that done, to leave them to work out their common civilization in their….

There is a steady check in an old civilisation upon the fertility of the abler classes: the improvident and unambitious are those who chiefly keep up….

We greatly want a brief word to express the science of improving stock, which is by no means confined to questions of judicious mating, but which, es….