Show off your humor with this classic black t-shirt! This comfortable shirt features the phrase "I once thought I was wrong, but I was mistaken." The casual design and witty saying makes it a great addition to any wardrobe. Made with a soft, breathable fabric, this tee is perfect for everyday wear, whether you're running errands, hanging out with friends, or just relaxing at home. Get ready to turn heads and spark conversations with this unique and humorous piece.