1. Heaven moves vigorously, and a gentleman strives to constantly strive for self-improvement. ——"Book of Changes·Qian·Xiang"

2. Daily innovation is called virtue. "Book of Changes·Xici"

3. Don't hesitate to correct your mistakes. "Shang Shu·Zhong Hui's Edict"

4. Filial piety lies in substance, not in appearance. ——Huan Kuan's "On Salt and Iron: Filial Support"

5. A father is kind and teaches.

"Zuo Zhuan·The Twenty-Sixth Year of Duke Zhao"