What are the sentences about prosperity in China's ancient books?

Smart people are the source of prosperity.

Yan Fu, a bourgeois enlightenment thinker in the late Qing Dynasty

Without power, farmers can't be rich. Fu Qiang's famous saying

Huan Kuan, a writer of Han Dynasty

If you want to be rich and strong, you should not save talents.

Tan Sitong was a bourgeois politician and reformer in modern China.