Authors:

In all important respects, the man who has nothing but his physical power to sell has nothing to sell which it is worth anyone's money to buy

Norbert Wiener (1988). “The Human Use of Human Beings: Cybernetics and Society”, p.154, Da Capo Press
In all important respects, the man who has nothing but his physical power to sell has nothing to sell which it is worth anyone's money to buy