The true law of economics is chance, and we learned people arbitrarily seize on a few moments and establish them as laws.

In the domain of Political Economy, free scientific inquiry meets not merely the same enemies as in all other domains. The peculiar nature of the material it deals with, summons as foes into the field of battle the most violent, mean and malignant passions of the human breast, the Furies of private interest.

The economic concept of value does not occur in antiquity.

All social rules and all relations between individuals are eroded by a cash economy, avarice drags Pluto himself out of the bowels of the earth.

What's left is a cultural economy where only the privileged can afford to create, and where only immediately profitable art survives.

Innovations that are guided by smallholder farmers, adapted to local circumstances, and sustainable for the economy and environment will be necessary to ensure food security in the future.