His face was curiously alight, as if from an inward glow.

His eyes, still widely intent, were staring straight ahead.
"Stop, Betty, wait," he hushed her.

"Maybe--I think I DO understand.
Boy, you mean--INSIDE of you, you see those things, and then you try to make your fiddle tell what you are seeing.

Is that it ?" "Yes, yes," cried David.

"Oh, you DO understand.