The famous sayings that encourage yourself to keep working hard are:

1. Success comes from constant efforts and perseverance.

2. Only by continuous efforts can we realize our goals and dreams.

3. Every effort is for a better future, and every persistence is to realize one's own value.

4. Success requires effort, persistence, courage and continuous efforts.

5. Only by continuous efforts can we become a better self and create a better future.

6, don't be afraid of failure, as long as you keep working hard, you will succeed.

7. Only by continuous efforts can we surpass ourselves and others.

8. Don't give up. Only by continuous efforts can you realize your goals and dreams.

9. Every effort is an affirmation to oneself, and every persistence is an encouragement to oneself.

1. Only by continuous efforts can we achieve our goals and realize our dreams.