While sticks and stones can break your bones, your words may actually kill you. They can also save your life. Having to be right despite the cost, reacting indignantly in the face of a threat, or insulting an adversary often guarantees that a conflict will escalate to violence. Clever words, on the other hand, can de-escalate a tense situation, stave off bloodshed until help arrives, momentarily distract an opponent to facilitate your counterattack and escape, or create sympathetic witnesses who will testify on your behalf.
Famous last words will kill you