“‘Sacrifice’ does not mean the rejection of the worthless, but of the precious. ‘Sacrifice’ does not mean the rejection of the evil for the sake of the good, but of the good for the sake of the evil. ‘Sacrifice’ is the surrender of that which you value in favor of that which you don’t.
“If you exchange a penny for a dollar, it is not a sacrifice; if you exchange a dollar for a penny, it is. If you achieve the career you wanted, after years of struggle, it is not a sacrifice; if you then renounce it for the sake of a rival, it is. If you own a bottle of milk and gave it to your starving child, it is not a sacrifice; if you give it to your neighbor’s child and let your own die, it is.”―John Galt in Ayn Rand’s Atlas Shrugged
For an American soldier, to fight for freedom is not to fight for a “higher cause,” separate from or superior to his own life—it is to fight for his own life and happiness. He is willing to risk his life in time of war because he is unwilling to live as anything other than a free man. He does not want or expect to die, but he would rather die than live in slavery or perpetual fear. His attitude is epitomized by the words of John Stark, New Hampshire’s most famous soldier in the Revolutionary War: “Live free or die.