"Books Are Weapons"

In her book, Soldier's Heart: Reading Literature Through Peace and War at West Point (2007), West Point English professor Elizabeth Samet writes the following:

Champions of the liberal education cadets receive at West Point - and those champions include the general officers who lead the institution - are fond of the following quotation, sometimes attributed to Thucydides but in fact penned by the British general Sir William Francis Butler: "The nation that will insist upon drawing a broad line of demarcation between the fighting man and the thinking man is liable to find its fighting done by fools and its thinking by cowards."