In "Robinson Crusoe," the Bible and the gun were Crusoe's guarantee for survival. Why is that?

Crusoe
rescues a gun and much ammunition from the shipwrecked boat, and this allows him to dominate the
island, hunting for game and protecting himself from predators, including the cannibals he meets
years later and frightens by firing this weapon.

The Bible provides Crusoe
with a moral compass that helps him make sense of what is happening to him. For the first time,
he develops a real Christian religious faith. He begins to understand God's...