Summary
This quote suggests that when courage or bravery is driven by irrational or unreasonable motives, it eventually leads to self-destruction. The emphasis is on the negative consequences of blind valor, implying that acting without careful consideration and logic can undermine one's own efforts. The notion of "eating the sword it fights with" symbolizes how this lacking reasoning can turn an individual's own weapons or means of defense into a destructive force against themselves. Ultimately, the quote warns against the dangers of disregarding reason in the pursuit of bravery.