The next thought that occurred to him was one that made him slip off his shoes and tread lightly upstairs, to listen at the bedroom doors.

But both Seth and his mother were breathing regularly.
Adam came down and set to work again, saying to himself, "I won't open the door again.

It's no use staring about to catch sight of a sound.
Maybe there's a world about us as we can't see, but th' ear's quicker than the eye and catches a sound from't now and then.

Some people think they get a sight on't too, but they're mostly folks whose eyes are not much use to 'em at anything else.

For my part, I think it's better to see when your perpendicular's true than to see a ghost." Such thoughts as these are apt to grow stronger and stronger as daylight quenches the candles and the birds begin to sing.