The following are some inspirational sentences suitable for junior high school students:

1. Although the road is long, you will get there if you go; although things are difficult, you will succeed if you do them.

2. Only by working earlier and more diligently than others can you taste success.

3. The most difficult question for you is not necessarily the last one.

4. It takes ten years to sharpen a sword before it can be unsheathed.

5. Take a step forward every day and embark on the road to success.

6. How can you get the fragrance of plum blossoms without experiencing a bone-chilling cold?

7. May you start small and end with greatness.

8. May you live up to your time, fear no hardships and obstacles, and move forward bravely.

9. I hope you will move towards a better future with firm determination and diligent efforts.

10. May every struggle make you stronger and keep moving forward.