It's a great smackdown of multitasking, isn't it, often attributed to the Roman writer Publilius Syrus, although you know how these things are, he probably never said it.
Un golpe duro a la multitarea, ¿no? A menudo se le atribuye al escritor romano Publilio Siro, aunque ya saben cómo son estas cosas; probablemente nunca lo dijo.