Wu said, "I can tame it, but I need three things: a whip, a hammer, and a dagger. If the horse does not yield, I will hit it on the head with the hammer. If that does not work, I will use the dagger and slit its throat."
大意是當她初入宮時，太宗有匹名馬無人能馴，隨侍在側的武媚娘卻說話了：「我能馴服它，但要給我三樣東西：鐵鞭、鐵、匕首；鞭之不服，以擊其首，再不服，就用匕首刺它的喉嚨。」