“Hush, Sonia! I am not laughing. I know myself that it was the devil leading me. Hush, Sonia, hush!” he repeated with gloomy insistence. “I know it all, I have thought it all over and over and whispered it all over to myself, lying there in the dark.⁠ ⁠… I’ve argued it all over with myself, every point of it, and I know it all, all! And how sick, how sick I was then of going over it all! I have kept wanting to forget it and make a new beginning, Sonia, and leave off thinking. And you don’t suppose that I went into it headlong like a fool? I went into it like a wise man, and that was just my destruction. And you mustn’t suppose that I didn’t know, for instance, that if I began to question myself whether I had the right to gain power⁠—I certainly hadn’t the right⁠—or that if I asked myself whether a human being is a louse it proved that it wasn’t so for me, though it might be for a man who would go straight to his goal without asking questions.⁠ ⁠… If I worried myself all those days, wondering whether Napoleon would have done it or not, I felt clearly of course that I wasn’t Napoleon. I had to endure all the agony of that battle of ideas, Sonia, and I longed to throw it off: I wanted to murder without casuistry, to murder for my own sake, for myself alone!