Franco Fornari links the death of the soldier to the establishment of truth, a relationship growing out of the feeling that surely if people give their lives for an idea there must be something to it.

It’s difficult to conceive that human beings die for ideas possessing no validity. Dead and mangled bodies on the field of battle imply the existence
of some “thing” in the name of which the frenzied dying and killing occurred. The carnage of the battlefield testifies to the reality of this “thing.”