Thinker · c. 390–338 BCE
Shang Yang
商鞅
Shang Yang advanced reforms that made rewards, punishments, registration, agriculture, and military service instruments of a centralized Qin state.
Intellectual setting
His policies were implemented in Qin during the Warring States period, when rival states pursued administrative, fiscal, and military transformation.
Key ideas
Public standards
Clear and consistently applied standards make officials and subjects predictable without depending on private virtue.
Reward and punishment
Institutional incentives redirect conduct toward agriculture, military achievement, and state capacity.
Legacy
Shang Yang's reforms are repeatedly invoked in accounts of Qin's rise and in later debates over Legalist institutions and authoritarian statecraft.