Slowly Demerzel’s mouth widened into a grin. “Not bad. Can you make your eyes twinkle?” “What do you mean, ‘twinkle,’ ” said Dors indignantly. “No one makes their eyes twinkle. That’s a metaphorical expression.” “No, it’s not,” said Seldon. “There’s the hint of tears in the eye—sadness, joy, surprise, whatever—and the reflection of light from that hint of fluid is what does it.”
