People should also not want to determine themselves causally in such a way: I will now … become good once and for all, and do good by nature, because… - Otto Weininger

The psychical condition of men’s minds may be compared with a set of bells close together, and so arranged that in the ordinary man a bell rings only when one beside it sounds, and the vibration lasts only a moment. In the genius, when a bell sounds it vibrates so strongly that it sets in action the whole series, and remains in action throughout life. The latter kind of movement often gives rise to extraordinary conditions and absurd impulses, that may last for weeks together and that form the basis of the supposed kinship of genius with insanity.

Memory, then, is a necessary part of the logical faculty. … The proposition A = A must have a psychological relation to time, otherwise it would be A_t1 = A_t2.

No two moments in the life of an individual are exactly alike; there is between the later and the earlier periods only the similarity of the higher and lower parts of a spiral ascent.