Personalized To Thine Own Self Be True Youth Long Sleeve T-Shirt. Beautiful framed Shakespeare quote from Hamlet says This above all: to thine own self be true. Get it on a lovely Youth Long Sleeve T-Shirt - White for the Shakespeare lover, librarian, English teacher, literature reader or actor. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)