Belief Buster Mugs

Start the day with a dose of humor and critical thinking—our belief buster mugs feature witty designs that challenge everyday assumptions, perfect for sparking conversations during morning coffee.

Sadie, I just heard something disturbing, and I think you're the only one who can tell me whether it's true. Youtube is telling me we've lived 300 years of phantom time. Pope Gregory XIII's math was off when he created our calendar, and this is actually the year 1717. What's more, the "Middle Ages" is just a fiction the pope created to explain his rounding error. You were there, Sadie ... Did King Arthur really exist? I'll tell you all about that nice boy, as soon as I demonstrate how we dealt w
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Sadie, I just heard something disturbing, and I think you're the only one who can tell me whether it's true. Youtube is telling me we've lived 300 years of phantom time. Pope Gregory XIII's math was off when he created our calendar, and this is actually the year 1717. What's more, the "Middle Ages" is just a fiction the pope created to explain his rounding error. You were there, Sadie ... Did King Arthur really exist? I'll tell you all about that nice boy, as soon as I demonstrate how we dealt w

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Belief Buster Mugs Collection

Belief Buster Pillows

Discover belief buster pillows to add humor and thoughtfulness to your home decor—perfect for those who love to question and relax.

Belief Buster Prints

Browse our belief buster prints to infuse your space with witty, conversation-starting artwork that challenges the ordinary.

Belief Buster T-Shirts

Check out our belief buster t-shirts for clever, debate-inspiring apparel that celebrates critical thinking with a humorous twist.