The Wealth of Nations by Part 5 Chapter 1 Page 49

country, but by a well-regulated standing army, the rudest, the most groundless, and the most licentious remonstrances can give little disturbance. He can safely pardon or neglect them, and his consciousness of his own superiority naturally disposes him to do so. That degree of liberty which approaches to licentiousness can be tolerated only in countries where the sovereign is secured by a well-regulated standing army.

It is in such countries only that the public safety does not require that the sovereign should be trusted with any discretionary power for suppressing even the impertinent wantonness of this licentious liberty.

The first duty of the sovereign, therefore, that of defending the society from the violence and injustice of other independent societies, grows gradually more and