The heart that had never much heeded an army of goblins trembled at the soft word of invitation.
But then there was the red-spotted white thing in his hand! He dared not hesitate, though.

Gently he opened the door through which the sound came, and what did he see?
Nothing at first--except indeed a great sloping shaft of moonlight that came in at a high window, and rested on the floor.

He stood and stared at it, forgetting to shut the door.
'Why don't you come in, Curdie ?' said the voice.

'Did you never see moonlight before ?' 'Never without a moon,' answered Curdie, in a trembling tone, but gathering courage.
'Certainly not,' returned the voice, which was thin and quavering: 'I never saw moonlight without a moon.' 'But there's no moon outside,' said Curdie.
'Ah! but you're inside now,' said the voice.
The answer did not satisfy Curdie; but the voice went on.
'There are more moons than you know of, Curdie.

Where there is one sun there are many moons--and of many sorts.