The inspirational sentences about the Nanjing Massacre and "Don't forget the national humiliation" are as follows:

1. Don't forget the national humiliation, revitalize China, strengthen exercise, and study hard.

2. Remember history, never forget national humiliation, cherish peace, and revitalize China.

3. A teacher who never forgets the past! On September 18th, do not forget the national humiliation and strive for self-improvement. Keep your mission in mind and face the enemy together. Unite and work hard to rejuvenate China.

4. Don’t forget the national humiliation! I have no regrets about entering China in this life, and I will still be Chinese in the next life.

5. Remember September 18th, use history as a mirror, do not forget the national humiliation, and love China.

6. Learn from the martyrs and pay tribute to the martyrs! You will always live in our hearts! Don’t forget the national humiliation, love China!

7. Reminiscing about the martyrs who regarded death as returning home and abandoned their loyal bones, we must not forget the national humiliation and glorify China.

8. The century-old national humiliation cannot be forgotten, and the hearts of the Chinese people are sonorous. September 18th is a thing of the past, and 1.3 billion people are full of ambition. Carrying national dignity on our shoulders, we work together to love Chengjiang. My heart is full of memories of history, and my country will shine brightly.

9. Today we live in a peaceful era, which was obtained with the blood of the anti-Japanese warriors. We must cherish peace, inspire us, remember history, never forget the national humiliation, study hard, and win glory for the motherland.

10. Don’t forget the shame of the Sick Man of East Asia, and ban all drugs to strengthen China.

11. Remember September 18th, remember the history, never forget the national humiliation, and let us strengthen ourselves.

12. Don’t forget the national humiliation. In the name of the country, we mourn the dead and care for the injured, the people feel free to express their wishes, and the country gathers its strength.

13. Don’t forget the national humiliation, the soldiers and the people are impregnable; support the army and give priority to your relatives, and work together to protect the homeland and the country.

14. Don’t forget the national tragedy and cherish life. Let love fill China!

15. Don’t forget the national humiliation and work hard to become stronger.