You must study hard.

The sentences you must study hard are as follows:

1, the attitude of reading determines the depth of people, and the thickness of reading determines the height of people. Reading makes the poor rich and the rich noble.

A good book is like a well-intentioned guide, which won't lead you to the abyss. On the contrary, what awaits you will be a mountain of books and a sea of learning, which is the other side of success.

When reading, I am willing to stay in front of every beautiful thought, just like staying in front of every truth.

4, reading is not famous, after all, people are elegant. Xiu De was rewarded unexpectedly, and his natural dream was safe.

A book, like a ship, leads us from a narrow place to an infinite ocean of life.

6. I searched in the sea of books. I believe the knowledge in the book will give me wings to fly. I believe I can succeed as long as I can work hard.

7. Reading makes people's thoughts have wings and their feelings bloom. Reading makes people active and intelligent. Reading can cultivate people's sentiment and let go of their dreams.

8. Reading makes people open-minded and open-minded; Reading makes people look far-sighted and aim high; Reading makes people increase their knowledge and talk extraordinary; Reading makes people feel relaxed and happy, just like the spring breeze.

9. Reading is the best study, and it is interesting to follow the thoughts of great men.