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I propose to show in this book that a man's natural abilities are derived by inheritance, under exactly the same limitations as are the form and physical features of the whole organic world. Consequently, as it is easy, ,notwithstanding those limitations, to obtain by careful :selection a permanent breed of dogs or horses gifted with peculiar powers of running, or of doing anything else, so it would be quite practicable to produce a highly-gifted race of men by judicious marriages during several consecutive generations. I shall show that social agencies of an ordinary character, whose influences are little suspected, are at this moment working towards the degradation of
human nature, and that others are working towards its improvement. I conclude that each generation has enormous power over the natural gifts of those that follow, and maintain that it is a duty we owe to humanity to investigate the range of that power, and to exercise it in a way that, without being unwise towards ourselves, shall be most advantageous to future inhabitants of the
The general plan of my argument is to show that high reputation
is a pretty accurate test of high ability; next to discuss the relationships of a large body of fairly eminent men--namely, the Judges of England from
166o to 1868, the Statesmen of the time of George III., and the Premiers during the last
100 years--and to obtain from these a general survey of the laws of heredity in respect to genius. Then I shall examine, in order, the kindred of the most illustrious Commanders, men of Literature and of Science, Poets, Painters, and Musicians, of whom history speaks. I shall also discuss the kindred of a certain selection of Divines and of modern Scholars. Then will follow a short chapter, by way of comparison, on the hereditary transmission of physical gifts, as deduced from the relationships of certain classes of Oarsmen and Wrestlers. Lastly, I shall collate my results, and draw conclusions.
As the following exchange of letters
with Charles Darwin shows, Darwin was deeply impressed by Hereditary
Alfred Russell Wallace, co-discoverer of Natural Selection,
wrote the following favourable
Hereditary Genius for Nature.