每個個體改善自身狀況的自然努力，當在自由和安全的情況下得以發揮時，是如此強大，以至于它不僅能夠獨自，不受任何協助，推動社會走向富裕和繁榮，而且能夠克服往往由愚蠢的人類法律造成的百般妨礙。
The natural effort of every individual to better his own condition， when suffered to exert itself with freedom and security， is so powerful a principle that it is alone， and without any assistance， not only capable of carrying on the society to wealth and prosperity but of surmounting a hundred impertinent obstructions with which the folly of human laws too often encumbers its operations.
