《资治通鉴·后梁纪·后梁纪六》
我听说晋王用兵，天下无敌，如有危险或被击败，后悔也就来不及了。 
吾闻晋王用兵，天下莫敌，脱有危败，悔之何及！ 
"I have heard that the Prince of Jin is invincible in battles. If you encounter danger or get defeated, it will be too late to regret."