When enough people believe in a story for a long enough time period, sometimes that story starts being called a truth.
A religious fundamentalist might call their religion a truth. A citizen of a western democracy might call individual liberty and freedom a truth, or rather a truism. An entrepreneur might put capitalism and free markets in this same category.
But in reality, these are all stories (again, staying away from the validity or value of said stories). Myths. It can be really hard to remember that truths are just stories in disguise.
The problem with truths is that, once a story enters this category, it becomes less important to understand the true nature of the thing. If something is simply true, there’s less need for critical analysis (or so it might seem).
As we move through the world, we all adopt stories and myths that suit us. Some of these are adopted by choice, and others by mere circumstance.
Then, every so often, the rug is pulled out from under us. Suddenly you see a story standing naked and afraid where a truth had been only a moment ago.
While jarring, these moments stand as poignant reminders that our species are prolific storytellers and that we must remain critical and curious as stories come into contact with our sense-making apparatus.