The regiment had taught him that he must do his duty or die in the attempt; a simple enough religion for his… — C. S. Forester

The regiment had taught him that he must do his duty or die in the attempt; a simple enough religion for his simple mind. As long as there was breath in his body or a thought in his mind he must struggle on; as long as he went on trying there was no need to meditate on success or failure. The only reward for the doing of his duty would be the knowledge that his duty was being done. That was how honour called; and glory -- the man in the ranks did not bother with glory, nor did the men a century later who died in the poison gas at Ypres.

Source: Wikiquote · CC BY-SA 4.0