"A equals X," says Mister One. "A equals B," says Mister Two. "A equals nothing under the sun But A," says Mister Three. A few Applaud; some wipe their eyes; Some linger in the shade to see One and Two in neat disguise Decapitating Mister Three. "This age is not entirely bad." It's bad enough, God knows, but you Should know Elizabethans had Sweeneys and Mrs. Porters too. The past goes down and disappears, The present stumbles home to bed, The future stretches out in years That no one knows, and you'll be dead.