plural noun: myths
a traditional story, especially one concerning the early history of a people or explaining some natural or social phenomenon, and typically involving supernatural beings or events.
synonyms: folk tale, folk story, legend, tale, story, fable, saga, mythos, lore, folklore, mythology
"ancient Greek myths"
a widely held but false belief or idea.
"he wants to dispel the myth that sea kayaking is too risky or too strenuous"
Yeah, myths, like "waltzing Matilda", Betsy Ross creating our flag, Paul Bunyan, the British victory over the Spanish Armada, that Feminsm is a good thing, undzoveiter!
Unfortunately for you, composter, the world was created, humans are alive, we do have reasons for doing what we do. Religion is one way in which humans from every country have dealt with their lives. If you want to prove Christianity false, the Judeo-Christian tradition, that is, attacking it from the points of view that you really only hear others doing, dig deeper.