2. I don't know how to study hard early, but I regret learning late.

3. Reading is like breaking thousands of volumes, and writing is like a god.

It's never too late to study.

5. Perseverance, rotten wood can't be carved; Perseverance, the stone can be carved.

6. Where there is a will, there is a way.

7. Work hard, then decline, and finally run out. (Best)