I am asking enthusiastic netizens to help me come up with a class training, four sentences, four characters each, one to sixteen characters, something related to the ecological major.

1. Diligence and joy in learning, unity and hard work, self-respect and self-confidence, and continuous struggle.

2. Birds have wings, people have ambitions, and if a person is determined, he will be invincible.

3. Be both virtuous and talented, constantly strive for self-improvement, be invincible in the world, and achieve great results.

4. Neither humble nor arrogant, work hard and make life brilliant, we create it.

5. Establish goals, strengthen beliefs, be down-to-earth, and surpass yourself.

6. Challenge yourself, surpass your dreams, unite and help each other, and achieve great results.

7. Unite and forge ahead, strive for success, work hard, and challenge ourselves.

8. Unite as one, work hard, inspire youth, and let your dreams fly.

9. The will must be strong and the interest must be joyful. Lose in hesitation and win in action.

10. Work happily, have dreams in your heart, and work together to regain your glory.

11. Challenge the limits, surpass yourself, strive for self-improvement, and be virtuous.

12. Unite and work hard to create glory forever. Get active and be brave first.

13. Train in the market, be confident, unite and work hard, and strive for the first place.