九字真言，又叫做六甲祕祝，係道家一句說話「臨兵鬥者皆陣列前行」，出自葛洪嘅《抱朴子·內篇卷十七·登涉》。
The nine-character mantra, also known as the Liujia Secret Wish, is a Taoist phrase "those who are fighting in the army are all arrayed forward", from Ge Hong's "Hug Puzi· Inner Chapter Volume 17 ·Dengshi".