1. Black hair doesn't know how to study early, while white head regrets studying late.

2. If you don't want to waste your life in the world, you must study all your life.

3. Books are ships crossing the sea of time.

4. No pains, no gains; To reap well, you must cultivate well.

5. Read thousands of books and take Wan Li Road.

6. Knowledge always conquers ignorance.