More than half of surnames were formed at that time; More than half of idioms came into being at that time; More than half of our grandparents came from that era. At this time, Confucius, who taught us propriety, righteousness and honesty, came into being. Laozi wrote the Tao Te Ching; Grandson who taught us how to win the battle; And the ancestors of legalism; Guan Zi, Xunzi, Shang Yang.