In which story is the following quote found? “I never told y…

In which story is the following quote found? “I never told you, but our life is a war and I have been a traitor all my born days, a spy in the enemy’s country…Live with your head in the lion’s mouth. I want you to overcome ’em with yeses, undermine ’em with grins, and agree ’em to death and destruction, let ’em swoller you till they vomit or bust wide open.”