《资治通鉴·秦纪·秦纪二》
刘邦喝醉了，夜间从小道走进湖沼地，遇到一条大蛇挡在道上，他随即拔剑斩杀了大蛇。
刘季被酒，夜径泽中，有大蛇当径，季拔剑斩蛇。
Liu Bang was intoxicated, and late at night wandered along a small path to the swamps, when he encountered a large snake blocking the path. He promptly drew his sword and killed the snake.