Four-body and eight-character idioms

Four bodies are not diligent, and the grain is not divided.

Athena Chu, Pei Bonn

Father Yuan said,' Who's the master if the four bodies are not diligent and the grain is not divided?' The Analects of Confucius

Explain the four bodies: refers to people's hands and feet; Grains: usually refers to rice, millet, millet, wheat and glutinous rice. Refers to not taking part in labor, can't tell the difference between grains. Describe being divorced from productive labor and lacking production knowledge.