An officer should never speak ironically or sarcastically to an enlisted man, since the latter does not have a fair chance to answer back. The use of profanity and epithets comes under the same headings. The best argument for a man keeping his temper is that nobody else wants it; and when he voluntary throws it away, he loses a main prop to his own position.
Samuel Lyman Atwood MarshallThe starting point for the understanding of war is the understanding of human nature.
Samuel Lyman Atwood MarshallThe far object of a training system is to prepare the combat officer mentally so that he can cope with the unusual and unexpected as if it were the altogether normal and give him poise in a situation where all else is in disequilibrium.
Samuel Lyman Atwood MarshallStudies by Medical Corps psychiatrists of combat fatigue cases... found that fear of killing, rather than fear of being killed, was the most common cause of battle failure, and that fear of failure ran a strong second.
Samuel Lyman Atwood Marshall