Economics is the study of how societies use scarce resources to produce valuable goods and services and distribute them among different individuals. If we think about the definitions, we find two key ideas that run through all of economics:

从孩子出生的那一刻起，刺激就开始作用于他。

The study of economics is ultimately the study of human behavior and its consequences.

诗歌是对现实的反抗行为。

知识最大的敌人不是无知，而是知识的幻觉。

Farmers are the original environmentalists; we must support their work.

纪律是目标和成就之间的桥梁。