Bill, that we made the tombstone for, dug the grave, and while he was away at his dinner we took a turn at digging, because we like to be useful, and besides, when you dig you never know what you may turn up.

I knew a man once that found a gold ring on the point of his fork when he was digging potatoes, and you know how we found two half-crowns ourselves once when we were digging for treasure.
Oswald was taking his turn with the spade, and the others were sitting on the gravel and telling him how to do it.
'Work with a will,' Dicky said, yawning.
Alice said, 'I wish we were in a book.

People in books never dig without finding something.

I think I'd rather it was a secret passage than anything.' Oswald stopped to wipe his honest brow ere replying.
'A secret's nothing when you've found it out.

Look at the secret staircase.