“Captain,” Tom asked, “by arming your weapons, aren’t you inviting battle?”
Kirk glanced back at him, but his attention never really left the forward screen.
“Just being ready for battle never causes it,” he said. “Sometimes, that’s the very force that deflects it. Complacency is what sucks the unready into war.”
Exchange in Star Trek: The Great Starship Race by Diane Carey
Thoughts on the Edge of Forever 