Otto Weininger

"Zola, who has so faithfully described the impulse to commit murder, did not himself commit a murder, because there were so many other characters in him. The actual murderer is in the grasp of his own …"

"The number of different aspects that the face of a man has assumed may be taken almost as a physiognomical measure of his … genius."

"The logical axioms are the principle of all truth. These posit an existence towards which all cognition serves. Logic is a law which must be obeyed, and man realises himself only in so far as he is lo…"

"To understand a man is really to be that man."

"Man is alone in the world, in tremendous eternal isolation. He has no object outside himself; lives for nothing else; he is far removed from being the slave of his wishes, of his abilities, of his nec…"

"In the case of complex personalities the matter stands thus: one of these can understand other men better than they can understand themselves, because within himself he has not only the character he i…"

"Psychologism is the most comfortable conception of life, because according to it there are no longer any more problems. That is why it also condemns all solutions from the outset, since it acknowledge…"

"That which enables man to have a real relation to truth and which removes his temptation to lie, must be something independent of all time, something absolutely unchangeable, which as faithfully repro…"