Dr. John Watson spoke these words to the brilliantly evil Charles Augustus Magnusson in Season 3 of Sherlock, followed shortly by I still dont understand. Wear these lines on your T-shirt, front and back, and see how easy it is to strike up a conversation with someone youd like to understand better. Black, short- sleeved. 100% cotton, pre-shunk; high-quality construction. Mens sizes S, M, L, XL, XXL. Ladies' sizes S, M, L, XL, XXL. Machine wash.