The labour of the individual for his own wants is just as much a satisfaction of those of others as of himself, and the satisfaction of his own he attains only by the labour of others.
Indibiduoak bere premiak asebetetzeko egiten duen lan hori era berean besteen premien asebetetzea da bereak izango balira bezala, eta bere premien asebetetzea besteen lanaren bidez lortzen du.