Every individual necessarily labours to render the annual revenue of the society as great as he can; he intends only his own security and directs his industry in such a manner as its produce may be of the greatest value, but he is led by an invisible ..... to promote an end which was no part of his intention. (*) hand (*) heart (*) thought (*) thread
This is a companion discussion topic for the original entry at https://english.best/questions/10983,every-individual-necessarily-labours-to-render-the-annual-revenue-of-the-society-as-great-as-he-can-he-intends-only-his-own-security-and-directs-his-industry-in-such-a-manner-as-its-produce-may-be-of-the-greatest-value-but-he-is-led-by-an-invisible-___-to-promote-an-end-which-was-no-part-of-his-intention/