“Can build castles in the air.”

“If you are going to build something in the air it is always better to build castles than houses of cards.”

“I am longing to be with you, and by the sea, where we can talk together freely and build our castles in the air.”

“Castles in the air — they are so easy to take refuge in. And so easy to build, too.”

“Build on, and make thy castles high and fair,
Rising and reaching upward to the skies;
Listen to voices in the upper air,
Nor lose thy simple faith in mysteries.”

“Fear of vikings build castles.”

“I've got the key to my castle in the air, but whether I can unlock the door remains to be seen.”

“In the game of Dawn Card-Castles, fifty-two playing cards are stacked up into a castle in a draught-free space: the player can determine the dreams of the next night if he awakes before the castle collapses. Those players who wish to dream of Romance build their castle with the seven of hearts.”

“I'm writing a first draft and reminding myself that I'm simply shoveling sand into a box so that later I can build castles.”

“There are certain half-dreaming moods of mind in which we naturally steal away from noise and glare, and seek some quiet haunt where we may indulge our reveries and build our air castles undisturbed.”