Synthesized answer
The chief purpose of government, according to Adam Smith, is to preserve justice, and the object of justice is security from injury [1]. The state has a responsibility to protect an individual's rights to their person, property, reputation, and social relations [1]. To achieve this, the state should act as an impartial spectator, assessing when an individual has been injured [1].
Following this assessment, the state must then establish and implement civil and criminal laws. These laws serve two main functions: preventing future harm and punishing those who have transgressed [1]. Beyond justice, laws are also a mechanism through which the state fosters public prosperity. This involves creating regulations for trade, commerce, and production in a way that stimulates productive capacities rather than hindering them [1].
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: Lectures on jurisprudence by Adam Smith Description: Smith's Lectures on Jurisprudence, originally delivered at the University of Glasgow in 1762-1763, present his "theory of the rules by which civil government ought to be directed." The chief purpose of government, according to Smith, is to preserve justice; and "the object of justice is security from injury." The state must protect the individual's right to his person, property, reputation, and social relations. Building on his Theory of Moral Sentiments, Smith argues that the state must act as an impartial spectator, judging when…