1, writing, etc. , describe the books written are piled up, the height is equal, indicating that there are many works. Also known as "the subject of the book"
2. Works that must be handed down from generation to generation will also be handed down to future generations. Refers to works with high value and far-reaching influence.
3, don't waste the river, praise the writer or his works immortal.
4. Tibetan famous mountains, hide books in famous mountains and pass them on to like-minded people. Describing works is extremely valuable.
5. Hide the famous mountains and pass the works on to like-minded people.