In other words, discipline simply means efficiency.


SECTION 5. MILITARY COURTESY.

In all walks of life men who are gentlemanly and of good breeding
are always respectful and courteous to those about them. It helps
to make life move along more smoothly. In civil life this courtesy
is shown by the custom of tipping the hat to ladies, shaking
hands with friends. and greeting persons with a nod or a friendly
"Good morning," etc.

In the Army courtesy is just us necessary, and for the same reasons.
It helps to keep the great machine moving without friction.

"Courtesy among military men is indispensable to discipline;
respect to superiors will not be confined to obedience on duty, but
will be extended on all occasions." (_Par._4,_Army_Regulations,_
_1913._)

One method of extending this courtesy is by saluting. When in
ranks the question of what a private should do is simple--he
obeys any command that is given. It is when out of ranks that
a private must know how and when to salute.


SECTION 6. SALUTING.

In the old days the free men of Europe were all allowed to carry
weapons, and when they met each would hold up his right hand to