FM Bernard Montgomery: High Command
"Study the factor of morale; it is the big thing in war and without a high morale you can achieve nothing. "
"My final advice to any officer who may be called on to exercise high command in war is as follows...
Have a good Chief of Staff.
Go for simplicity in everything.
Cut out all paper and train your subordinates to work on verbal instructions and orders.
Keep a firm grip on the basic fundamentals -- the things that really matter.
Avoid being involved in details; leave them to your staff.
Study the factor of morale; it is the big thing in war and without a high morale you can achieve nothing.
When the issue hangs in the balance radiate confidence in the plan and in the operations, even if inwardly you feel not too certain of the outcome.
Never worry. Never belly-ache. Keep fit and fresh, physically and mentally. You will never win battles if you become mentally tired, or get run down in health."