The Wealth of Nations by Part 5 Chapter 1 Page 27

was no noise but what arose from the human voice; there was no smoke, there was no invisible cause of wounds or death. Every man, till some mortal weapon actually did approach him, saw clearly that no such weapon was near him. In these circumstances, and among troops who had some confidence in their own skill and dexterity in the use of their arms, it must have been a good deal less difficult to preserve some degree regularity and order, not only in the beginning, but through the whole progress of an ancient battle, and till one of the two armies was fairly defeated. But the habits of regularity, order, and prompt obedience to command can be acquired only by troops which are exercised in great bodies.

A militia, however, in whatever manner it may be either disciplined or exercised, must always be much inferior to a