Notes From The Underground by Part 1 Chapter 7 Page 5

of reason and truth. What is more, he will talk to you with excitement and passion of the true normal interests of man; with irony he will upbraid the short-sighted fools who do not understand their own interests, nor the true significance of virtue; and, within a quarter of an hour, without any sudden outside provocation, but simply through something inside him which is stronger than all his interests, he will go off on quite a different tack--that is, act in direct opposition to what he has just been saying about himself, in opposition to the laws of reason, in opposition to his own advantage, in fact in opposition to everything ...

I warn you that my friend is a compound personality and therefore it is difficult to blame him as an individual. The fact is, gentlemen, it seems there must really exist something that is