The reason why so few good books are written is, that so few people that can write know anything. In general an author has always lived in a room, has read books, has cultivated science, is acquainted with the style and sentiments of the best authors, but he is out of the way of employing his own eyes and ears. He has nothing to hear and nothing to see. His life is a vacuum.
Walter BagehotWar both needs and generates certain virtues; not the highest, but what may be called the preliminary virtues, as valor, veracity, the spirit of obedience, the habit of discipline. Any of these, and of others like them, when possessed by a nation, and no matter how generated, will give them a military advantage, and make them more likely to stay in the race of nations.
Walter Bagehot