the PhysiocratsThinkers

Surplus value (n.) seemed ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠to the Physiocrats to come not from labour but from the collaboration of nature, since they saw it arise in agriculture alone.