ĐẾ PHẠM -TRỌN BỘ

The *Đế Phạm* (Imperial Mirror), written by Emperor Taizong of the Tang Dynasty in 648 AD, serves as a comprehensive guide on governance for his successor. It emphasizes that a stable empire relies on the ruler's virtue, the strategic recruitment of talent, the acceptance of critical feedback, and a harmonious balance between civil administration and military strength.