It is easier for a young person to learn than to become an old man, and an inch of time cannot be taken lightly.
Learning is like sailing against the current. If you don’t advance, you will retreat.
Is it difficult or easy for people to learn? Scholars make difficult things easy! If you don’t learn, it will be difficult to do what is easy!
When the book is used, it will be less regrettable!
If jade is not polished, it will not become a useful tool; if a person does not learn, he will not know.
Books are the ladder of human progress.
Black-haired people don’t know how to study diligently early, and they regret studying late.