Labour was the first price, the original purchase - money that was paid for all things. It was not by gold or by silver, but by labour, that all wealth of the world was originally purchased. ↗
To the house of a friend if you're pleased to retire, You must all things admit, you must all things admire; You must pay with observance the price of your treat, You must eat what is praised, and must praise what you eat. ↗