Are There Any Other Ways to Believe in Something?

There are so many ways that people distort reality to convince themselves that something is true. The dozens of different justifications for believing in something is an entire area of philosophy. We're born into a world where the nature of existence is very finite. As children, we don't have some infinite bookshelf that spans off into the horizon to pull from. So what can we do about it? How can we be sure none of this bad stuff's ever going to happen?"