Sin...

Casy said gently, "Sure I got sins. Ever'body got sins. A sin is somepin you ain't sure about. Them people that's sure about ever'thing an' ain't got no sin-well, with that kind of a son-of-a-bitch, if I was God I'd kick their ass right out of heaven! I couldn't stand 'em!"

"You think it was a sin to let my wife die like that?"

"well," said Casy, "for anybody else it was a mistake, but if you think it was a sin-then it's a sin. A fella build his own sins right up from the groun'."