On the exchange of goods and services, and the threat of greed and hunger…

And if there come the singers and the dancers and the flute players,—buy of their gifts also.
For they too are gatherers of fruit and frankincense, and that which they bring, though fashioned of dreams, is raiment and food for your soul.

And before you leave the market place, see that no one has gone his way with empty hands.
For the master spirit of the earth shall not sleep peacefully upon the wind till the needs of the least of you are satisfied.