This David Tennant Don't Blink quote shirt features the 10th Doctor stressing the importance of not blinking when trying to survive the Weeping Angels, which are statues that move toward you at lightning speed when you're not looking. You survive them by keeping your eyes fixed on them without blinking. Just ask Sally Sparrow, it's harder than it looks. Remember, blink and you're dead. Heed the advice on this Don't Blink Doctor Who Quote t-shirt.