Quote by Konstantin Rokossovsky
"A soldier's greatest enemy is often his own doubt."
More from Konstantin Rokossovsky
"A commander must always keep in mind that the soldier is a human being, and his morale depends on how he is treated."
"Victory comes to those who are prepared to pay its price."
"The art of war is simple enough. Find out where your enemy is. Get at him as soon as you can. Strike him as hard as you can, and keep moving."
"Discipline is the foundation of any military unit."