Running Blind (Jack Reacher, #4)

by Lee Child

“We have a thing at the firm,” she said. “We call it the so what else rule. Suppose we’ve got some bankrupt guy we’re looking after. Sometimes we dig around and find he’s got some funds stashed away that he’s not telling us about. He’s hiding them from us. He’s cheating. First thing we do, we say so what else? What else is he doing? What else has he got?”

“I can’t worry about something I can’t change.”