"I had never used an oath until that night. But I sat on the side of my bed, when I couldn't lie still any longer, and clenched my fists and cursed him, mildly at first and under my breath, then aloud and in the reddest language I could think of. As I damned his soul to the hottest corner of hell it seemed to me that he ought to be made to suffer in this life, too, and I said aloud, 'I would like to kill you!' The words sounded so plain that they frightened me. But I said them over again, and the next moment the thought leaped up, 'And I will, too, if I live!' That was how the idea was born in my mind. It struck root and grew, and I've held to it ever since." Homer nodded. "Yes; I can understand how you would hold to a thing you'd made up your mind to do; I'd hold on just the same way. We've both got the bull-dog grip; it's one of the Conrad characteristics. But even a bull-dog can let go when he knows he shouldn't hold on any longer." Curtis smiled grimly. "Not always; sometimes you have to pry his jaws loose. Nevertheless, I could let go if I wanted to. But I don't want to, and I don't propose to. The thing has become part of my life, of me, of my very blood." "Have you been working at it all this time, Curt?" "Oh, of course I couldn't do much while I was a boy except to think and brood over it. But during that time I learned all I could about Delafield, his schemes, and his personality. I read every newspaper I could lay hold of that had anything in it about him; I've got them all yet. But I didn't do much in the way of actually chasing him down until after the girls were married ten years ago. After that I earned and saved more money, and was free to go about as I wanted. Since then I've spent all the time and money I could spare in hunting him. "I had a schoolmate named Littleton who became a detective when he grew up. We were good friends, and when he happened to find out that I was nosing around in my own way he offered to help me. I was to pay him what I could, and he would put in time on this when he had nothing else to do. Between us we tracked Delafield all over the West and into Canada, back and forth, and under nearly a dozen different names. I don't think he got as much money out of his Boston smash as he was charged with taking, but he got a good lot; and he's since made and lost two or three good-sized fortunes. Most of the time he has been a mining expert, and has owned and dealt in mines; the fact that he's stuck pretty close to that business has made it easier to follow him. Once, in Arizona, we lost the trail completely. It was as if the earth had opened and swallowed him; for a while we thought he must be dead. Later we discovered his tracks in Utah, under a new name. Since then there have been several gaps of that sort; but we've always managed to light on him again after a while.