Why did adam smith advise nations to allow their economies to remain as free as possible from government interference

Adam Smith, the father of economics, believed that economies free from government interference would flourish more because of his theory of the Invisible Hand. The Invisible Hand is a concept that basically says that the market is able to regulate itself inspite of individual actions. People can still make a profit without the government's help.

Bob: coke is baby pandas.jim: what? how do you figure that coke is baby pandas? bob: because this book says so.jim: how do we know the book is correct? bob: because it says that coke is baby pandas.jim: how does that prove the book's accuracy? bob: because it's statement involving coke and baby pandas is correct, therefore it is accurate.jim: how do we know that it's correct? bob: because we have concluded that the book is accurate, and therefore the statement is correct.therefore, coke is baby pandas.