All daydreaming builds this air castle; all ambition has this as its goal.

He snuggled down and began to build an air castle.

Migwan's air castle tumbled about her ears.

There came the air castle again, floating alluringly before his eager imagination, like a mirage lake in the desert.

He forgot his beautiful air castle, and even let Annie Lee slip from his mind for the time being.

Bud started out next day with three different samples for the assayer, and an air castle or two to keep him company.

But he did not, because chance threw him a bit of solid material on which to rebuild his air castle for Helen May.

She had stolen unwittingly the air castle which Lite had been three years building, but he did not say a word about it to Jean.

With this sage reflection, he dismissed Tom from his mind, which very naturally turned again to the air castle which had been so ruthlessly upset.

They would lie about in the sands all day, building air castles.

For the first few days I did very little but build air castles.

There he sat, with his little chin in his hand, building air castles.

His gorgeous air castles vanished like a train of fleeting clouds.

I wouldn't be building any air castles concerning that gold mine.

The stroke of the paddle failed and the air castles fell in dismal ruin.

But in both cases their air castles were to be occupied with Du Meresq.