All men have limits. They learn what they are and learn not to exceed them. ​I ignore mine.

People think it's an obsession. A compulsion. As if there were an irresistible impulse to act. It's never been like that. I chose this life. I know what I'm doing. And on any given day, I could stop doing it. Today, however, isn't that day. And tomorrow won't be either.

If Clark wanted to, he could use his superspeed and squish me into the cement. But I know how he thinks. Even more than the Kryptonite, he's got one big weakness. Deep down, Clark's essentially a good person... and deep down, I'm not.