What sin are you, uh, referring to, Mr. Bandy? My... my sin of drilling?

William Bandy:I'm Bandy.Daniel Plainview:Uh, yes. Yes. Um... William Bandy, huh? Yeah, I'd like to lease your land.William Bandy:I had asked for you to come and talk to be me before. When you were leasing land.Daniel Plainview:That's right, yes. My boy's been very sick, you know.William Bandy:This was before your boy got sick. Now, I know that you would like to build a pipeline through my property. Is that right, what I've heard?Daniel Plainview:It's absolutely right, and, uh... well... It's an eight-inch pipe. It can buried with your consent. I guarantee you absolutely no disruption...William Bandy:God. God has told me what you must do.Daniel Plainview:And what is that?William Bandy:You should be washed in the blood of Jesus Christ.Daniel Plainview:Oh, but I... I... I am. I have been washed, Mr. Bandy. I... I have been.William Bandy:It's your only way to salvation AND your only way for what you want. You can take it at the Church of the Third Revelation.Daniel Plainview:I'll pay you three thousand dollars.William Bandy:I'd like you to be part of our church.Daniel Plainview:I'll pay you five thousand dollars.William Bandy:Be baptized, be forgiven for the sin that you've done.Daniel Plainview:What sin are you, uh, referring to, Mr. Bandy? My... my sin of drilling?