PUBLISHER'S NOTE
On October 4, 1903, Otto Weininger died by his own hand, at the age of twenty-three and a half years. There is perhaps in all history no other instance of a man who had produced a work so mature in its scientific character, and so original in its philosophical aspect as "Sex and Character" when he was no more than twenty-one years old. We will not attempt to decide whether this was the case of a genius, who, instead of developing his intellectual powers gradually in the course of a lifetime, concentrated them in one mighty achievement, and then cast off the worn-out husk of the flesh, or of an unhappy youth, who could no longer bear the burden of his own ghastly knowledge.
"Sex and Character" is undoubtedly one of those rare books that will be studied long after its own times, and whose influence will not pass away, but will penetrate deeper and deeper, compelling amazement and inviting reflection in steadily expanding circles. It may be noted with satisfaction that the book is by no means in harmony with contemporary thought. The discussions, so much in favour nowadays, concerning the emancipation of women, sexuality, the relation of women to culture, and so forth, are deprived of their data by this publication; for here, laid down with all the penetrating acumen of the trained logician, is a characterisation of sexual types, "M" (the ideal man), and "W" (the ideal woman), which traces all the much discussed psychological phenomena back to a final source, and actually gives a definitive solution to the feminine problem, a solution altogether alien to the field of inquiry wherein the answer has hitherto
