The Exalted Discourse on the Meditative State That Gathers All Merits states : O Stainless Brilliance ! For great bodhisattvas who yearn for the teachings, the teachings’ treasures have been placed in mountains, in ravines, and in forests. Long mantras and infinite gateways to the teachings made into volumes will come into their hands.

Jamgon Kongtrul Lodro Taye : The Treasury of Knowledge: Books Two, Three, and Four page 331