“Courage is fear holding on a minute longer.”
General George S. Patton

“A pint of sweat saves a gallon of blood.”
General George S. Patton

“Some people spend an entire lifetime wondering if they made a difference. Marines don’t have that problem.”
Ronald Reagan 

“There is only one principle of war and that’s this. Hit the other fellow, as quickly as you can, as hard as you can, where it hurts him most, when he ain’t lookin’.’
Sir William Slim

“Courage is resistance to fear, mastery of fear – not absence of fear.”
Mark Twain

“I am become death, shatterer of worlds.”
Robert J Oppenheimer (citing from the Bhagavadgita, after witnessing the world’s first nuclear explosion.)

“We are not retreating – we are advancing in another direction.”
General Douglas MacArthur

“There is one thing stronger than all the armies in the world, and that is an idea whose time has come.”
Victor Hugo

“War is delightful to those who have had no experience of it.”
Desiderius Erasmus

“Ours is a world of nuclear giants and ethical infants. If we continue to develop our technology without wisdom or prudence, our servant may prove to be our executioner.”
General Omar Bradley

“You can get much farther with a kind word and a gun than you can with a kind word alone.”
Al Capone

“I came, I saw, I conquered.”
Julius Caesar

“It is well that war is so terrible, or we should get too fond of it.”
Robert E. Lee

We have women in the military, but they don't put us in the front lines. They don't know if we can fight, if we can kill. I think we can. All the general has to do is walk over to the women and say, "You see the enemy over there? They say you look fat in those uniforms." 
Elayne Boosler

“In war there is no substitute for victory.”
General Douglas MacArthur