“他在这件事上，正如在许多其他情况下一样，被一只看不见的手引导着去促进一个并非他本意的目的。”
所收录版本的文本 · 英语
“He is in this, as in many other cases, led by an invisible hand to promote an end which was no part of his intention.”
— 亚当·斯密, An Inquiry into the Nature and Causes of the Wealth of Nations