You only get one shot at life so give it your best. The main character, who is unnamed, had the chance to kill a man, the man who would soon become his killer. If he had pounced upon the chance when he had it, he most likely wouldn't have been killed. In application to everyday life, it is seen that a person's first chance at something may, in fact, be his or her only chance. During an interview, a person has only that one chance to make a good impression on the interviewer. As the saying goes, "You will never get a second chance to make a first impression!"
The theme of Ambrose Bierce's story, "A Horseman in the Sky" is that morals and standards are no longer applicable in war. Your duty comes before your morals or standards. This can be more applicable in war than in everyday life. The standards a person holds should come before their job unless they are in combat. Standards and morals are nullified in war. A soldier's orders come