Original sentence: "  Smith believed that while human motives are often selfish and greedy, the competition in the free market would tend to benefit society as a whole anyway.First, Smith was not advocating a social policy (that people should act in their own self interest), but rather was describing an observed economic reality (that people do act in their own interest).On another level, though, the "invisible hand" refers to the ability of the market to correct for seemingly disastrous situations with no intervention on the part of government or other organizations (although Smith did not, himself, use the term with this meaning in mind).Smith talks about a "system of perfect liberty" or "system of natural liberty"
Edited sentence: "  Smith believed that while human motives are often selfish and greedy, the competition between human actors that occurs in the free market would tend to benefit society as a whole anyway.First, Smith was not advocating a social policy (that people should act in their own self interest), but rather was describing what he was claiming to be an observed economic reality (that people, for Smith, do act in their own interest).On another level, though, the "invisible hand" refers Smith's theory that the market is capable of correcting for seemingly disastrous situations with no intervention on the part of government or other organizations (although Smith did not, himself, use the term with this meaning in mind).Smith refers to capitalism as a "system of perfect liberty" or "system of natural liberty"