Zi Yan

Zi Yan was a Chinese politician and advisor to King Helü of Wu during the Eastern Zhou period. He is best known for his role in advising the king on military strategy and governance. Zi Yan was a prominent figure in the state of Wu and played a key role in the kingdom's military campaigns. He is also known for his writings on politics and governance, which were later compiled into the classic text 'The Book of Lord Shang'. Zi Yan's ideas on leadership and governance have had a lasting impact on Chinese politics and philosophy.