Book of Satori
The Words of Wisdom (formerly known as the Book of Satori) is an item in Dragon Quest III which allows a character to become a sage at Alltrades Abbey. The treatise can only be used once, and is found at the tower of transcendence.
Etymology
Satori is a Buddhist term for Awakening, Understanding and (total) Comprehension.
Trivia
In the official famicom guide book, the English title of this item is the Book of Understanding.