The Logical Fallacy of Argument by Laziness occurs when a belief is held because of lack of ambition to look into the matter and understand the facts.
Sandy: “There is no God.”
Rocky: “Actually, I have an ongoing, moment-by-moment relationship with Jesus Christ, and you can too. You don’t have to take my word for it. Everyone who seeks Him finds Him. If you would just turn your mind toward Him, acknowledge Him in respect and sincerity, He will reveal Himself to you. Would you like to do that?
Sandy: “I’m not going to do that. I know that there is no God.”