Notes From The Underground by Part 1 Chapter 1 Page 2

But still, if I don't consult a doctor it is from spite. My liver is bad, well--let it get worse!

I have been going on like that for a long time--twenty years. Now I am forty. I used to be in the government service, but am no longer. I was a spiteful official. I was rude and took pleasure in being so. I did not take bribes, you see, so I was bound to find a recompense in that, at least. (A poor jest, but I will not scratch it out. I wrote it thinking it would sound very witty; but now that I have seen myself that I only wanted to show off in a despicable way, I will not scratch it out on purpose!)

When petitioners used to come for information to the table at which I sat, I used to grind my teeth at them, and felt intense enjoyment when I succeeded in making anybody unhappy.